two-screw pump
... two-screw conveyer 双螺旋运送机 two-screw pump 双螺杆泵 two-seater folding boat 双座式折叠船 ...
twin-screw pump
... twin-screw 双螺旋桨 ; 双螺旋浆的 twin-screw pump 双螺杆泵 twin-screw steamer 双螺旋桨蒸汽机船 ...
double-screw pump
... double-screw plodder双螺杆压条机 double-screw pump双螺杆泵 double-screw reactor双螺杆反应器 ...
Quimby pump
... quilting 水柜外防冻覆盖船首防冰垫 Quimby pump 双螺杆泵 quinary 五倍的 ...
双螺杆泵是由主从动轴上相互啮合的螺旋套和泵体或衬套间形成一个容积恒定的密封腔室,介质随螺杆轴的转动分别被送到泵体中间,两者汇合在一起,最终送达泵的出口,从而实现泵输送的目的。