Smith direct transfusion pump, rotary type with hoses and needles. Designed in Melbourne by Julian Smith in 1940 and made around that same time. Prototype.
史密斯直接输血泵，配有软管和针头的旋转式。1940年，朱利安•史密斯在梅尔本设计，并在同一时间做出该产品的雏形。
Rotary piston pump is a volume type vacuum pump and is applied widely, but there has been no method for exactly calculating dynamic balance of rotary piston up to the present.
滑阀真空泵是一种容积式真空泵，在各工业领域广泛应用。但该泵的旋转活塞平衡长期以来无精确计算方法。
A new type of arc cycloidal internal meshing rotary pump was studied.
对一种新型圆弧摆线内啮合转子泵进行了研究。
The device of the utility model relates to a rotary blade type vacuum pump. The structure comprises a pump, an electrical machine and a rotor.
本装置涉及一种旋片式真空泵，其结构由泵、电机及转子组成。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
The most common rotary-pump designs used today are spur-gear, generated-rotary, sliding-vane, and screw pump, each type has advantages that make it the most suitable for a given application.
今天最常用的旋转泵是外齿轮泵、内齿轮泵、摆线转子泵、滑动叶片泵和螺旋泵。每种类型的泵都有优点，适合于特定场合的应用。
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