There's lighting inside the case and sight window on the outside door, convenient for observation.
两个玻璃观察窗位于给料机进口端(端门),用于观察胶带运行状况。
词典释义:
观察窗
There's lighting inside the case and sight window on the outside door, convenient for observation.
两个玻璃观察窗位于给料机进口端(端门),用于观察胶带运行状况。
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