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罗宾斯和迈尔斯公司生产的莫伊诺单螺杆潜孔泵结构简单,容易维修。地面传动机头只有一副轴承和一个齿轮箱以简化润滑。填料盒里装有两组胀圈和一个密封环,而不是通常的单一填料组件;这样大大地减少了
Moino single-screw DTH pumps manufactured by Robbins and Myers have simple structure and easy maintenance. The ground drive head has only one bearing and one gearbox to simplify lubrication. The packing box contains two sets of expansion rings and one seal ring instead of the usual single packing element; this greatly reduces