spring line脚: role; part; character线: thread; string; wire倒缆 拱脚线 斜系船缆: springline拱脚: abutment; angle of skew-back; arch springing; balance of roof; skew back; spring of arch脚线: beard; leg wire; upline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:拱脚线，即可在微信中查询翻译
