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- The characteristics of leak detection by the helium mass spec- trometer for large or small size low temperature vessels are analyzed and some comments are suggested. 分析了大、小型低温容器的氦质谱检漏的各自特点及应注意的问题，讨论了部分国产氦质谱检漏仪的应用特点。
- He learns English by listening to tape recording. 他通过听录音的办法来学英语。
- She relaxed her mind by listening to music. 她听听音乐使大脑得到休息。
- Pool Service Repair Leak Detection South Broward By All Pro Pools ... 池泄漏检测服务修复南布劳沃德到所有临池...
- Steam Trap Leak Detection Programme. 蒸汽管网疏水阀检测,避免蒸汽泄漏及能源损失。
- By listening to WL,our hearts can fly. 借着听西城，我们的心可以飞翔。
- He learns English by listening to tape recordings. 他通过听录音的办法来学英语。
- I beguiled my long journey by listening music. 我藉着音乐来排遣漫长的旅途。
- Leak detection systems - Part 1: general principles. 检漏系统。第1部分:总则。
- He learns English by listening to the radio . 他通过听无线电学英语。
- Is Ultrasound Leak Detection Reliable for Steam Traps? 超声波泄漏检测方法应用于凝气器可靠性分析?
- He studies by listening to English tapes. 他是通过听英语磁带而学习的.
- He learns English by listening to the radio. 他通过听无线电学习英语。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Fuel propane is scented with mercaptan odourants for leak detection. 燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- I learn English by listening to tapes. 我学英语靠听录音磁带.
- He learn english by listening to tape recording. 他通过听录音的办法来学英语。
- By the research of Long-distance control system, the paper syncretizes leak detection system into SCADA system. 通过实验测试,达到理想效果。
- The leak detection pump (LDP) is used only with certain emission packages. 渗漏检测泵（LDP）仅用于一定的废气密封装置。
