Bottom: The Brandenburg Gate today.
下图:今日勃兰登堡门。
Bottom: Ebertstrasse and the Brandenburg Gate today.
下图:今日的ebertstrasse大街和勃兰登堡门。
The runner gate should have aflat bottom.
横浇道应该有一个平的底。
The maximum of various stress locate the bottom of the section of gate shaft;
④检修闸门井各项应力最大值均位于闸门井底部剖面;
The maximum of various stress locate the bottom of the section of gate shaft;
④检修闸门井各项应力最大值均位于闸门井底部剖面;
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