Adjustable impeller and the clearance between the boards to ensure efficient operation of the pump.
可调节叶轮与护板之间的间隙，保证泵的高效运行。
Some brakes also equipped with brake parts clearance automatically adjustable beam device.
有些制动器还装有制动件间隙的自动调束装置。
The new designed structure of crushing chamber can make discharge clearance adjustable within a large range.
新型设计的破碎腔型结构，可以大范围调整出料间隙。
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