The trapmechanism should be inspected periodically and all dirt removed from working parts. Worn parts must be replaced.
应该定期检查疏水阀的使用功能，所有污垢都应该从工作部件上清除。用旧的部件必须更换。
2
Fault trap is an important structure in the exploration of oil and gas. Fault trapmechanism has become a new highlight in the recent years in the study of fault theory.
断层圈闭在油气勘探中是非常重要的构造，断层封闭机制业已成为近年来断层理论研究的新重点。
3
The same trap can fire hundreds of times, all following the very precise and repeated mechanism.