frock clamp造句怎么写

2、The invention belongs to the field of mechanical machining and relates to a method for machining a roulette and a frock clamp thereof.

1、Design of frock clamp for batch test of Si-capacitive differential pressure sensor

3、The special device realizing the ultrathin plank stuff pulse laser micro-riveting method consists of a laser generator system, a frock clamper system and a working platform system.