书写头 射束 铅笔 光锥 毛撮

pencil  detail>>

铅笔记录头写头光束射束

pencil  detail>>

灯光锥形射束

cone of light coneoflight  detail>>

铅笔书写纸

lead pencil paper lead-pencil paper  detail>>

铅笔形射束

pencil beam  detail>>

毛撮

tuft  detail>>

玻璃书写铅笔

glass pencil  detail>>

写头

pencil write head writing head  detail>>

铅笔书写复写纸

pencil carbon paper  detail>>

光锥

light cone ◇光锥代数 light cone algebra; 光锥展开 light-cone expansion  detail>>

铅笔

pencil  短语和例子   半硬铅笔 medium pencil; 彩色铅笔 coloured pencil; crayon; 软铅笔 soft penci...  detail>>

读写头

combined head optical head pickup head read-record head read-write head rwh...  detail>>

书写

write  短语和例子   在纸的反正面书写 write on both sides of the paper; 这支钢笔书写流畅。 the pen writ...  detail>>

射束

[电学] beam  短语和例子   未按无线电射束飞行(脱离航线) off the beam    detail>>

机头射击员

nose gunner  detail>>

光点, 光锥

light spot  detail>>

光锥体

cone of light  detail>>

抛光锥

buffing cone polishing cone  detail>>