螺杆式鼓风机是一种同时具备螺杆压缩机与罗茨鼓风机优点的新型鼓风机，可广泛应用于工业领域多种气体的输送。
The screw blower is a new blower with the virtues of both screw compressor and roots blower, which can be applied for many kinds of gas transfering in the industry fields.
螺杆式鼓风机是一种同时具备螺杆压缩机与罗茨鼓风机优点的新型鼓风机，可广泛应用于工业领域多种气体的输送。
The screw blower is a new blower with the virtues of both screw compressor and roots blower, which can be applied for many kinds of gas transfering in the industry fields.
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