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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Brazing of carbide cutting tool. 钎焊硬质合金刀具。
- Brazing of copper, copper alloys and steel etc. 钎焊铜及铜合金、钢等。
- Baicheng City Acetylene Gas General Fact. 白城市乙炔气总厂。
- The depository for acetylene cylinder. 乙炔瓶放置处
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- FXD does a superior job in brazing. FXD对于黄铜制品的加工是优越的。
- The hair pin and U-type brass pipe brazing. 冷冻空调散热盘管与U型管焊接制作。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。