variable center arch dam变: become different; change中心: centre; centrum; centrality; ...拱坝: arch dam变中心角拱坝: variable-radius afch三心拱坝: three-center arch dam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:变中心拱坝，即可在微信中查询翻译
