石墨 影片素材 第1頁

Graphite pencil draws a straight line on a white background paper, macro shot

Sharpened wooden graphite pencils on a black background arranged in a circle shape. School supplies art creative concept. Rotation

A symbolic representation of the fast charging of a graphene battery

smartphone with learn english animation

Loopable graphene structure. Two rows of carbon atoms. Dark honeycombs

back to school season with paper sheet and supplies

Man artist draws a nose with a graphite pencil HD 1920x1080p

Loopable graphene structure. Rows of carbon atoms. Dark honeycombs

Graphite pencil draws a straight line on a white background paper, macro shot

Crop artist sharpening pencil over table

Loopable graphene structure. Rows of carbon atoms. Silver honeycombs

elegant businesswoman writing with pencil in paperboard animation

Pen draws a check mark on a white background paper, macro shot

back to school season with paper sheet and colors pencils

Pen draws a heart a white background paper, macro shot

british flag and pencil learn english animation

back to school season with lettering in paper sheet

Loopable graphene structure. Two rows of carbon atoms. Dark honeycombs

pencils with statistics infographic animation

Cartoon pen, pushpin and paper clip in the pink background, 3d rendering.

Carbon nanotubes, Nanotechnology, 3d rendering.

Carbon nanotubes, nanotechnology, loop video, 3d rendering.

Carbon nanotubes, nanotechnology, loop video, 3d rendering.

Close up shot of the word "delete" written in blue pencil and erased with a white eraser on white paper, Showcasing Stationery Tools for Deletion and Creativity

Slow motion scene the EDM machine working with graphite electrode. The mold and die manufacturing process by EDM machine.

Zoom-out scene CNC milling machine finish cut the graphite electrode parts with solid ball nose end mill tool. The mold and die manufacturing process by CNC machining center.

Zoom out scene the CNC milling machine cutting the graphite electrode parts. The mold and die manufacturing process by CNC machining center.

The CNC milling machine rough cut the graphite electrode parts with solid flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

The CNC milling machine rough cutting the graphite electrode parts by flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

Pan scene the CNC milling machine rough cut the graphite electrode parts with solid flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

Rotating Dark Graphite Dollar Sign, Seamless Loop, Alpha Channel

Artist sketching urban city buildings with graphite pencil on white paper

Black wooden pencil rotating on a black background. Slider. Macro. Sharp graphite tip.

Pan scene the CNC milling machine rough cutting the graphite electrode parts by flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

The CNC milling machine rough cutting the graphite electrode parts. The mold and die manufacturing process by CNC machining center.

The CNC milling machine rough cutting at concave the graphite electrode parts. The mold and die manufacturing process by CNC machining center.

Rotating Dark Graphite Dollar Sign, Seamless Loop, Alpha Channel

波浪形六角片狀材料

Rotating Dark Graphite Dollar Sign, Seamless Loop, Alpha Channel

Pan scene the CNC milling machine rough cutting the graphite electrode parts with flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

Close-up of dark, geometric rock fragments with vibrant blue and red hues creating textural abstract

Abstract Collection of Dark Geometric Shapes with Sparkles and Glowing Light

The CNC milling machine rough cutting the graphite electrode parts by flat end mill tool. The mold and die manufacturing process by CNC machining center.

Pan scene the CNC milling machine cutting the graphite electrode parts. The mold and die manufacturing process by CNC machining center.

Pan scene the CNC milling machine cutting the graphite electrode parts by solid ball nose end mill tools. The mold and die manufacturing process by CNC machining center.

Animated self drawing of continuous line draw of pencil flat icon. Symbol of graduation for web or mobile app. Sign of education for design. Outline logo of school. Full length single line animation

The CNC milling machine rough cutting the graphite electrode parts with flat nose end mill tool. The mold and die manufacturing process by CNC machining center.

The CNC milling machine cutting the graphite electrode parts by solid ball end mill tool. The mold and die manufacturing process by CNC machining center.

Slow motion scene the EDM machine working with liquid coolant method. The mold and die manufacturing process by graphite electrode.

Pan scene the CNC milling machine cutting the graphite electrode parts by solid ball nose end mill tool. The mold and die manufacturing process by CNC machining center.