对硫化物的选择范围广泛，具有一定的实际应用价值。
Sulfide on a wide range of choices, have some practical value.
对硫化物夹杂的变性处理有效地控制了钢轨钢中夹杂组成和形态。
The shape and composition of the inclusion was controlled effectively by modifying sulphide.
本文通过对硫化物应力腐蚀开裂的机理和影响因素的讨论，说明其危害性并提出了控制方法。
Through the discussion on the mechanism and effect factors of the stress corrosion cracking by sulfides, this paper expounds its harmfulness and proposes some measures to control it.
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