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词汇 OHV
分类 英语词汇 英语翻译词典
释义

OHV

英汉-汉英词典
abbr. 上置阀门,顶阀(overhead valve)
词组 | 习惯用语
您要查找的是不是:
  • oh int. 哦;哎呀(表示惊讶或恐惧等)
  • ohm n. 欧姆(电阻单位)
  • oho int. 嗳哟(表示惊讶,喜悦,嘲弄时所发的声音)
  • OHS abbr. (美)公路安全处(Office of Highway Safety)
OHV abbr. 上置阀门,顶阀(overhead valve)

网络短语:
OHV- 顶置气门; 侧置凸; 侧置凸滑轮;
ohv overhead valve 顶置气门;顶阀
OHV Over Hepost Vingve 顶置气门
OHV Over-Head Valve 顶置气门
OHV Overhemarketing cwjust aspaign Vingve 顶置气门
英语百科

Overhead valve engine

(重定向自OHV)
Components of a pushrod valve actuation system
Picture of a V8 engine block (with intake manifold removed), showing the camshaft, pushrods, and rockers.
Valve-In-Head engine, illustration from 1904 patent, Buick Manufacturing Company

An overhead valve engine (OHV engine) is an engine in which the valves are placed over the cylinder head. This was an improvement over the older flathead engine, where the valves were placed in the block next to the piston. Overhead camshaft (OHC) engines, while still overhead valve by definition, are usually categorized apart from other OHV engines.

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