railway gaff规: instrument for drawing circl ...架: frame; rack; shelf; stand斜: oblique; slanting; skew; bev ...桁: purlin圆规架: compass frame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:规架斜桁，即可在微信中查询翻译
