英语词汇“bottom-hole safety valve”的翻译、意思、用法、释义-英汉汉英词典

单词	bottom-hole safety valve
释义	bottom-hole safety valve井底安全阀bottom-hole safety valve井底安全閥礦冶工程名詞
随便看	ocla formosana o clamber ocland o clasp o class o classify oclc oclc {=on-line computer library center} o cling o clink o'clock o clog ocl--operation control language ocl--operator control language o clothe ocmulgee national monument ocmulgee r. ocmulgee shiner oc-n ocn ocnerodrilus occidentalis ocoa ocoa, bahia de oc, oc ocoee