obstructed crest of spillway设: x的: 4次方是 The fourth power of 2 i ...溢洪道: spillway设闸溢洪道: obstructed spillway溢洪道顶: crest of spillway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:设闸的溢洪道顶，即可在微信中查询翻译
