日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

flashboard

音標(biāo)['fl??b?:d]
flashboard是什么意思、flashboard怎么讀

flashboard漢語翻譯

n. 閘板

flashboard英語解釋

名詞 flashboard:

  1. boarding place along the top of a dam to increase its height
    同義詞：flashboarding

flashboard詳細解釋

flash.board

n.（名詞）
A board or structure of boards extending above a dam to increase its capacity.
閘板，決泄板：水壩上突出的、用以增加蓄水量的大板子或板狀結(jié)構(gòu)物

0
糾錯