“welder”的概念、定义、翻译、参考文献-科学参考

单词	welder
释义	welder [`wel·dǝr] ^METALLURGY 1. A machine used in welding. Also known as welding machine. 2. A person who performs a welding operation.
随便看	scansorial scantlings Scapanorhychidae scapha Scaphidiidae scaphocephaly scaphoid Scaphopoda scapolite scapolitization scapula scapulet scapulus scapus scar Scarabaeidae Scarabaeoidea scarabiasis scarfing scarf joint Scaridae scarification scarifier scarious scarlet

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