phosphorus-tungsten alloy cast iron的用法和樣例：
例句
- The corrosion of low alloy cast iron used for fabrication of brine valves in the sea in this paper.
本文介紹了海水閥用低合金鑄鐵在海水中的腐蝕行為。 - Practical tests have been made in smelting alloy steel and alloy cast iron using this new additive instead of ferrotitanium and basic success has been obtanied.
使用該發(fā)熱鐵合金劑代替鈦鐵，在冶煉合金鋼和合金鑄鐵中進(jìn)行了應用試驗，基本取得了成功。
