angle butt strap对接: abutment; abutting joint; bu ...角材: angle section对接角: butt joint corner背接角材: back (or backing) angle; backing angle; heel piece衬接角材: bosom bar; bosom piece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:对接角材，即可在微信中查询翻译
