top of stroke冲程: travel; stroke; 4目前国际上最先进的四冲程顶阀: ohv冲程: [机械工程] travel; (length of) stroke: 4 冲程发动机 four-stroke engine泵冲程: pump stroke; pumstroke carrea de golpe; throw of pump长冲程: long stroke下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:冲程顶,即可在微信中查询翻译