水井钻杆为外加厚内平式，接头按照石油钻具尺寸加工，也可按照用户要求加工。

Water well drill rod for eue in even -like, attaches according to the petroleum drilling tool size processing, also may defer to the user request processing.

youdao

水井钻杆为外加厚内平式，接头按照石油钻具尺寸加工，也可按照用户要求加工。

Water well drill rod for eue in even -like, attaches according to the petroleum drilling tool size processing, also may defer to the user request processing.

youdao