Develops a CAD system for gear pump design of locomotives.

研制了一个内燃机车用齿轮泵的CAD系统。

youdao

But the theories of the vortex pump design aren't mature and the excellent water power model is less.

但旋流泵设计理论还不成熟，优秀的水力模型较少。

youdao

International level large flow rate high pressure piston pump design, professional dynamic axial compression column design.

国际领先的大流量高压柱塞泵设计，专业的动态轴向压缩制备柱设计。

youdao

The treadle pump is based on a design developed in the nineteen seventies by Norwegian engineer Gunnar Barnes.

VOA: special.2009.08.17

"So KickStart went forward to design a range of agricultural technologies, the most significant of which has been the foot-powered treadle pump."

VOA: standard.2009.12.18

IBM's design involved feeding small plastic wafers into a heated pump that melted them and pushed the goo through an extruder.

FORBES: Almost Out of the Woods

It has a bivalve shell, two strings which move the valves against one another, and a small pump that expels water (he is still working on the best design for the foot).

ECONOMIST: Robots