plunger screw是什么意思

用法例句

The five kinds of pin screws included round pin screw component (two arrangements), square pin screw component and diamond pin screw component (two-ways).

五种销钉螺杆元件包括圆形销钉螺杆元件(两种排列方式)、方形销钉螺杆元件和菱形销钉螺杆元件(两种导程)。

A single-screw extruder with the pin screw has been developed.

介绍所研制的销钉螺杆的结构及其检测结果和使用情况。