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词汇 Junk head
分类 英语词汇 英语翻译词典
释义

Junk head

原声例句
美国历史频道纪录片《宇宙》

There's a reason the planet rejects some of the space junk heading its way.

前提是行星拒绝一些太空垃圾挡住自己的道。

英语百科

Junk head

Section through the junk head of a Knight sleeve valve engine
Sectioned cylinder and head of a Bristol Centaurus. Note the copper fins to the junk head
Bristol Perseus engine

A junk head is a form of piston engine cylinder head, where the head is formed by a dummy piston mounted inside the top of the cylinder. In most other engine designs, the cylinder head is mounted on top of the cylinder block. That form has also been termed a "poultice head".

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