prefabricated welding mo(u)ldprefabricated welding mold预制: prefabricate; precut焊: weld; solder模: mould; pattern; matrix对焊模子: butt welding die折页式焊模: leaf-type jig下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:预制焊模，即可在微信中查询翻译
