clad weld补: repair; mend; patch覆: cover熔: melt; fuse; smelt接: come into contact with; come ...被覆熔接: clad weld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:补覆熔接，即可在微信中查询翻译
