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sh型泵只能用电动机通过靠背轮直接传动(见图1),该泵使用说明书中规定:“若采用皮带传动时,必须另设支架支持皮带轮,否则泵轴容易折断。”因
sh type pump can only be directly driven by the motor through the back wheel (see Figure 1), the pump manual states: "If the belt drive, you must also set a separate bracket support pulley, or easy to break the pump shaft.