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1.The engineer designed a replica grating toenhance the efficiency of the machine.
工程师设计了一个复制格栅来提高机器的效率。
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2. The constructioncrew used replica grating to reinforce thefoundation of the building.
建筑工人使用复制格栅来加固建筑物的基础。
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3. The newdesign incorporates a replicagrating system that improvesairflow and reduces noise levels inthe room.
新设计采用了一种复制格栅系统，可以改善空气流通并降低房间内的噪音水平。