The double action vane pump using extensively at present has great energy waste;
目前使用广泛的双作用叶片泵存在着较大的能量浪费；
6 double pump confluence full hydraulic steering system, easy operation, flexible, stable and reliable performance.
采用双泵合流全液压转向系统，操作轻便、灵活，性能稳定可靠。
The utility model relates to a double support structure vane pump.
一种新型双支承结构叶片泵。
Machine fit double cylinder and powerful mud pump.
本钻机配带双缸大功率泥浆泵。
The invention discloses a double-effect ground source heat pump system.
本发明公开了一种双效的地源热泵系统。
The double-acting variable-vane pump is a new type of variable pump.
双作用式变量叶片泵是一种新型变量泵。
Model LS double-outlet fire pump is the Model DL pump equipped with two water-outlets.
LS型双出口消防泵即设置两个出水口的DL型泵。
Model LS double-outlet fire pump is the Model DL pump equipped with two water-outlets.
LS型双出口消防泵即设置两个出水口的DL型泵。
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