sulphides

Service life of guide roll of mill is raised by self - lubrication antifriction of metal sulphides.

试验研究出一种高硫钢自润滑新材料,利用金属硫化物的自润滑减摩作用来提高轧机导辊的使用寿命.

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Many sulphides, selenides, and tellurides have the nickel arsenide's NiAs type of structure.

许多硫化物, 硒化物和碲化物具有砷化镍NiAs型的结构.

辞典例句