正确答案: A
half the engine speed
题目:In a four-stroke engine the camshaft rotates at ().
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学习资料的答案和解析:
[单选题]影响发动机加速时问长短的因素是它的()。I.运行部件的质量惯性;Ⅱ.受热部件的热惯性
Ⅰ+Ⅱ
[单选题]在船上,拆下来的增压器转子应该用()浸泡清洗。
热水+少量洗衣粉
[单选题]A charge of fresh air is drawn into the engine cylinder and then () by the moving piston() very high pressure.
compressed;to
[单选题]The compressed air is supplied by () to the air reservoirs.
compressors