internal serration中文什么意思

内细齿

• internal:    adj. 1.内的，内部的 (opp ...
• serration:    n. 锯齿(状)；锯齿形(突起)。
• differential serration:    错齿

例句与用法

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1. Hexagon insert bits - for screws with internal serrations
   六角嵌入式刀头.带内细齿的螺钉
2. L - wrench for screws with internal serration
   带内细齿的螺钉用的l形扳手
3. Bits with square drive for screws with internal serration , hand - operated
   手动式带内细齿用方形驱动刀头
4. Screw driver for screws with internal serration - screw driver points , gauges and test specimens for torque testing
   带内细齿螺钉的螺丝刀.扭矩试验用螺丝刀量规和试样
5. Aerospace ; cheese head bolts with internal serration thread , short thread , steel , nominal tensile strength 900 mpa , for temperatures up to 235 c
   航空和航天.带内细齿和mj螺纹短螺纹钢制标称抗