?阀门钢
轴承钢和阀门钢线材的生产工艺 关键词:轴承钢;阀门钢;线材;生产工艺 [gap=540]Key words: bearing steel;valve steel;wire;production technology
?气门用钢材
... Tungsten Carbide Drill Steel 碳化钨硬质合金钢钎 Valve Steel 气门用钢材; 阀门钢 Alkali Proof Steel 耐碱钢 ...
[材]?气门用钢
... Valve spud气门嘴座 Valve steel气门用钢 Valve stem气门杆 ...
?阀钢
... 珐琅面,上釉:glassy surface 阀钢:valve steel 阀倒转:valve reversal ...
气阀钢
奥氏体气阀钢
奥氏体排气阀钢
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。