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- airtight test for refrigerant piping system 制冷系统气密试验
- The accurate judgement of airtightness test of gas engineering facilities must depend on Leakage rate, but not on pressure drop. 燃气工程气密性试验的准确鉴定必须采用渗漏率，而不能用压力降。
- The goods are to be sent in airtight package. 这批货物应密封包装运送。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Portable Blowout Preventer with Airtight Testing 轻便式密闭测试防喷装置
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- Some issues about the qualification of the airtight test used in gas pipeline web construction 煤气输配管网气密性试验合格标准的探讨
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Keywords photocatalytic materials;VOCs;airtight test chamber;degradation efficiency; 光降解材料;环境污染物;试验舱;降解效果;
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- He is answering the test paper busily. 他正忙着答考试卷。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- The battery is on test at the moment. 此刻正在对这种电池进行测试。
- But for Tim, the whole class passed the test. 除蒂姆之外，全班都通过了这次考试。
- The boys were given an intelligence test. 那些孩子们接受了智力测验。
- Keep salt in an airtight container in a dry place. 存放盐在一个乾燥密闭的容器里。
- In the main, the pupils did well on the test. 总的来说，学生们考得很好。
