双螺杆泵 
quimby pump
two-screw pump
- 分析了双头双螺杆泵密封腔的密封原理。
The sealing principles of the twin screw pump are analyzed. - 双螺杆泵为一种双吸式非密闭的双螺杆泵。
Double screw pump is a kind of double suction not airtight double screw pump. - 外置轴承结构的双螺杆泵工作腔同轴承是分开的。
Working with external bearing structure of the double screw pump bearings are separated.