例句與造句

1. In addition to packers a downhole valve is used to open and close the formation to measure reservoir characteristics such as pressure and temperature which are charted on downhole recorders within the BHA . Below are two types of BHA DST, Cased Hole which can be applied after the well has been cased, and Open Hole which may be performed before casing.
2. It's difficult to find measuring reservoir in a sentence. 用measuring reservoir造句挺難的