常見(jiàn)例句雙語(yǔ)例句Reciprocating plunger pump is a kind of major equipment for oil production in oilfield, and its technique function directly influences the normal safe operating of oil unit.往複式柱塞泵設(shè)備是油田採(cǎi)油單位的主要生産 設(shè)備，其技術(shù)性能的好壞直接影響到採(cǎi)油單位安全生 産的正常運(yùn)行。www.mct.com.cn 返回 normal reciprocating