?套洗管柱

... wash-over string 套洗管柱 wash-over angleing operation 套洗打捞功课 wash-over fishing operation 套洗打捞作业 ...

?洗涤塔

... wash-out valve ==> 泄水阀 wash-over string ==> 洗涤塔 wash-point penetrometer ==> 贯入度仪 ...