同根派生 molybdenum steel相关词英汉例句The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.摘要通過一些試騐研究和工程實例，介紹採用鉻鉬鋼制造的承壓設備，經熱処理後對鋼材性能的影響。molybdenum steel更多例句