ethane怎么读

The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The method and the condition of separation epoxy ethane from dihydric alcohol are described.介...

n.乙烷...

The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The cloud might be snowing ethane snowflakes into methane lakes below.云层可能正在向下面的甲烷湖飘落乙烷雪.BA 1...

polluter的音标：polluter的英式发音音标为：[pə'lu:tə(r)]polluter的美式发音音标为：[pə'luːtər]...

presumptuous的音标：presumptuous的英式发音音标为：[prɪ'zʌmptʃuəs]presumptuous的美式发音音标为：[prɪ'zʌmptʃuəs]...

v.理所当然，不用说，不言而喻...

普通双位控制中采用相同的接触器.The same contactors are used for ordinary two - position control.每天都有双位数字的新增感染个案.New cases have been cropping up daily in the double digits.微机控制双位式交流调速电梯总系统的设计与运行.The State and Development of Elevator Tra...

The straw mattresses are airing there.草垫子正在那里晾着.The researchers tested more than 20 mattresses of various materials.研究人员试验了二十多个不同材料的床垫.The results of the tests indicated that latex and polyurethane foam mattresses burned...

interpose的现在进行时为：interposing...

“出叶”的英语可以翻译为：leafing ...

Menstruum crystal is widely used in cephalosporin production in view of its stability and high purity.溶媒结晶由于其稳定性和纯度高被广泛用于头孢菌素生产中....Hollywood funnyman Billy Crystal.好莱坞喜剧演员比利·克里斯托...crystal glasses.水晶玻璃杯Quartz crystal, c...

n.受托管理国( mandatory的名词复数 )...

n.形成，构成，结构，形成物，编队，队形...

“周末”的拼音为：zhōu mò...

Giles set in motion a train of events which would culminate in tragedy.贾尔斯触发了随后的一系列事件，这些事件最终将以悲剧收场。They all culminate in these four sections.它们全部可以归于这4方面.The symptoms tend to get worse progressively and culminate in rete...

Power Industries – Nuclear, Fossil Fuel, Combined Cycle, Cogeneration and District Heating.电力工业-核电, 矿物燃料发电, 联合循环发电,联合发电和区域供热.Its unIt'selection and system configuration shall be suitable to cogeneration.其机组选择和系统设置应与...

“喉内镜”的英语可以翻译为：laryngendoscope ...

n.空气流速计，风速表[计]...