fillet weld throat thickness焊缝: soldering seam; weld bead; w ...喉: larynx; throat; gullet深: deep焊缝喉部: throat of weld; weld throat焊缝喉部截面积: throat section area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:焊缝喉深，即可在微信中查询翻译
