timing gear正: the first month of the lunar ...时机: opportunity; an opportune mo ...构: construct; form; compose气门正时机构: vvt-i; vvtl-i连续可变气门正时机构: cvtc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:正时机构，即可在微信中查询翻译
