qiān hàn hàn féng
soldered seam
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ketostearate,
ketosteroid,
ketosubstrate,
ketosuria,
keto-tetrahydrophenanthrene,
ketotetrose,
ketothiolase,
ketotifen,
ketotriazole,
ketotriose,
相似单词
钎柄,
钎杆,
钎焊,
钎焊笔,
钎焊工,
钎焊焊缝,
钎焊剂,
钎焊温度,
钎焊性,
钎剂,