Double screw pump is a kind of double suction not airtight double screw pump.
双螺杆泵为一种双吸式非密闭的双螺杆泵。
Working with external bearing structure of the double screw pump bearings are separated.
外置轴承结构的双螺杆泵工作腔同轴承是分开的。
At the same time, because of double screw compressor stress is bad, bearing load, its mechanical noise than single screw compressor.
同时，由于双螺杆压缩机受力不好，轴承受力大，其机械噪声也要比单螺杆压缩机要大。
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