常见例句双语例句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.直径3/4英寸至1英寸的油管柱或管柱。小直径管柱也可为油管柱内的油管柱。www.infopetro.com.cn 返回 macaroni string