trip- in operation的用法和样例：
例句
- Perhaps there will be a short trip to test the possibility of a blowout-in case the will is acting up.
当井的情况不好时，也许要进行为时较短的起下钻作业来试验井喷的可能性。 - 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.
钻模应该设计成在绞刀进入工作部件之前先让导向器进入轴衬，而且在整个挖钻作业完成前需保证导向器的运作。
