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- umbrella type insulator 伞形绝缘器
- It is presented that the flashover voltage of parallel insulator is lower than that of single insulator, while the V type insulator's is almost the same as that of single one. 指出并联绝缘子串间击穿电压相比单串时有所降低，而V字型串对击穿电压的影响很小。
- The hang type insulates son to supply 45 dollars one. 悬式绝缘子供应45元一片。
- Noteworthy Points for Installation of Silicon Rubber Pollution-preventive Sleeve on Umbrella Type Apron Insulator 安装硅橡胶防污伞裙套应注意的问题
- marine umbrella type hole stopper 船用伞形堵漏器
- Marine Umbrella Type Leak Stopper 船用伞型堵漏器等
- umbrella type plate heat exchanger 伞板换热器
- pin type insulator for low voltage line 低压线路针式绝缘子
- Tensile straight cap type insulator 耐张直帽型绝缘子
- pin type insulator for high voltage line 高压线路针式绝缘子
- I ran back for the umbrella I had left. 我跑回去拿忘记带走的伞。
- Based on these measures,the institute standard"requirement of constrution technologyfor BL type insulation and friction resisting lining"is prepared. 经近几年的实际应用考核证明，改进措施是行之有效的。在此基础上制订了院标“BL型隔热耐磨衬里施工技术要求”。
- You can leave your umbrella in the entry. 雨伞可放在入口处。
- The wind blew my umbrella inside out. 风把我的伞吹得翻过去了。
- You should take an umbrella just as a precaution. 你该带把伞，有备无患。
- He has gone away with my umbrella. 他拿走了我的雨伞。
- She put up her umbrella and walked off. 她打起雨伞，离开了。
- Can you identify your umbrella among this lot? 你能在这些伞中认出你自己的伞吗？
- Predictably, he left his umbrella in the train. 如所预料，他把雨伞遗留在火车上。
- She's get wet. she needs an umbrella. 她正挨雨淋。她需要一把伞。
