trip- in operation的用法和樣例：
例句
- Perhaps there will be a short trip to test the possibility of a blowout-in case the will is acting up.
當井的情況不好時(shí)，也許要進(jìn)行為時(shí)較短的起下鉆作業(yè)來(lái)試驗井噴的可能性。 - Jigs should be designed so that the pilot enters the bushing before the reamer enters the workpiece, and remains piloted until the reaming operation is completed.
鉆模應該設計成在絞刀進(jìn)入工作部件之前先讓導向器進(jìn)入軸襯，而且在整個(gè)挖鉆作業(yè)完成前需保證導向器的運作。
