In constructing main pump room of Xin Lan Road sewage pumping station, the deeper depth of burial pumping station used the sunk shafting technology, and gained good economic benefit.是什么意思_In constructing main pump room of Xin Lan Road sewage pumping station, the deeper depth of burial pumping station used the sunk shafting technology, and gained good economic benefit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句