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This is like building a building with a measuring rod that constantly changes.
这就好比建造一栋建筑，而测量杆却不停的在变动。
youdao
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The measuring rod and the connecting plate are made of medical plastics.
测量杆和连接板是由医用塑料制成的。
youdao
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The measuring rod and the connecting plate are made of medical plastics.
测量杆和连接板是由医用塑料制成的。
youdao