凸销的英文：
n. ejector pin

ejector是什么意思：
n. 驱逐者,排出器,放出器

Components of injection mould for plastics--Ejector plates
塑料注射模具零件推板

Retraction of forwarded ejector either by timer or door closing
由定时器或关门控制向前顶出

Components of injection mould for plastics--Ejector pins
塑料注射模具零件推杆

An auxiliary ejector with as little blockage in the ducting as possible is placed behind the inlet of the diffuser duct
一个辅助引射器，在通道中要以尽可能小的堵塞面积布置在扩压器进口之后。

Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem
利用直列放置的发动机排气扩压器和辅助引射器，可以避免上述许多困难。

pin是什么意思：
n.
1. 大头针
2. 胸针，饰针
3.【美】=brooch
4.【美】（有别针的）徽章
5.（接骨用的）钢钉
6.（插头的）管脚
7.（保龄球等的）木瓶，瓶柱
8. 旗杆
9.[pl.]【非正式】（人的）双腿
10.（手榴弹上的）保险栓
v.[T]
1.（用大头针）固定，别上
2. 使不能动弹，按住

A pin, also called a base pin, on a connector or plug.
在接插件或插头上的一种插脚,也称管脚。

The foremost or central pin in an arrangement of bowling pins.
主柱滚木球戏木瓶的排列中最前面的或中心的木瓶

She pinned the gown at the neck with a safety pin.
她在领子那儿用一根别针把睡衣别住。

coupling knuckle pin
车钩关节销

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