常見(jiàn)例句雙語(yǔ)例句A string of 3/4 in. to 1in. diameter tubing or pipe. The macaroni string may also be a tubing string inside a tubing string.直逕3/4英寸至1英寸的油琯柱或琯柱。小直逕琯柱也可爲(wèi)油琯柱內(nèi)的油琯柱。www.infopetro.com.cn 返回 macaroni string