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例题:如图1所示为某粮食仓库中由两台皮带传送机组成的传输装置示意图。设备调试时,将倾斜传送机的传送带与水平地面间调成倾角θ=37°,使水平传送机的转动轮边缘
Example: As shown in Figure 1 for a food warehouse by the two conveyor belt conveyor consisting of schematic diagram. During commissioning of the equipment, the conveyor of the inclined conveyor is adjusted to a level angle θ = 37 ° with respect to the horizontal ground, so that the edge of the rotating wheel of the horizontal conveyor