auto submerged arc welding是什么意思 auto submerged arc welding怎么读
auto submerged arc welding的相关资料
auto submerged arc welding的用法和样例
- The melting behavior of the agglomerated flux is very important to the welding properties.
埋弧自动焊烧结焊剂的熔化特性对焊接工艺性能有重要影响。
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