We use a "sponge rubber ball on-load cleaning system".
我们使用的是“海绵胶球带负荷清洗系统”。
Bearing surface and non-bearing surface of rubber belt shall be equipped with cleaning device.
胶带承料面和非承料面均应设置清扫装置。
The teacher is cleaning the blackboard with a board rubber.
老师正在用黑板擦擦黑板。
The teacher is cleaning the blackboard with a board rubber.
老师正在用黑板擦擦黑板。
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