Corrosion by steam 蒸气腐蚀
Calomel prepared by steam 蒸气制甘汞
hotbed by steam heating 蒸汽加热温床
ammonia removal by steam stripping 蒸汽汽提除氨
a building heated by steam 有暖气的建筑物
propel by steam 用蒸气推动
preheating by steam 蒸汽预热
activating by steam 蒸汽活化
By Steam Distillation 蒸汽蒸馏法
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