Plunger pistons which are arranged in the horizontal direction are pushed by eccentric wheels on the output shafts of motors which are arranged in the vertical direction to work.
本实用新型由立式安装的电动机的输出轴上的偏心轮推动水平安置的柱塞工作。
CNPC pushed up its processed oil output by nearly 10 percent in the third quarter compared with the same period last year.
中油推高了近10年第三季度百分之其成品油产量比去年同期。
CNPC pushed up its processed oil output by nearly 10 percent in the third quarter compared with the same period last year.
中油推高了近10年第三季度百分之其成品油产量比去年同期。
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