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正西那些大门都由方柱拦成两半。
The portals of the great western front are bisected by square pillars.
大型方柱铸造和表。
本文对均匀流中静止方柱和横向强迫振动的方柱进行了实验研究。
Experiments on a square-sertion cylinder fixed and forced to oscillate transversely in uniform stream were conducted in a water tank.
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