back crotch curve后: behind; back; rear裆: crotch缝: seam轮廓线: sweep; outline; borderline; ...后裆缝: back rise; seat seam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:后裆缝轮廓线，即可在微信中查询翻译
