浮力,
洪水來(lái)的時(shí)候,閘門(mén)里水被排出,并在閘門(mén)里面充滿(mǎn)了空氣,閘門(mén)就會(huì)隨著海水上升,
就是為了提高閘門(mén),擋住洪水.
MOSE project was planned to be built under the sea water to stop floods.Before the gates
MOSE project was planned to be built under the sea water to stop floods.Before the gates
are in use,they are under the sea and full of water.When the flood comes,the water in the gates will be poured out,and then the gates will be filled with air.So the gates can go up with the sea water.再者,不是水都從水閘中被倒出去了嗎?怎么又說(shuō)水閘帶著海水上升呢(最好一句)?
are in use,they are under the sea and full of water.When the flood comes,the water in the gates will be poured out,and then the gates will be filled with air.So the gates can go up with the sea water.再者,不是水都從水閘中被倒出去了嗎?怎么又說(shuō)水閘帶著海水上升呢(最好一句)?
英語(yǔ)人氣:292 ℃時(shí)間:2019-10-23 13:59:47
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