Junk head

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".

单词	Junk head
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 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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