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1·Forward needle valve positions for easy access.

针形阀位置提前，便于接近。

2·The needle valve lift is the important parameter.

针阀升程是柴油机燃油系统的重要参数。

3·The design proposal of a novel needle valve assembly is given.

提出了一种新颖的针阀偶件设计方案。

4·Open vent needle valve and bleed air from hose. Then close vent valve.

开启排气针形阀，并从软管排放空气。然后关闭排气阀。

5·Needle valve partner is a very important component of a diesel engine.

针阀偶件是柴油机的一个非常重要的零部件。

6·The float system includes the float bowl and a float-and-needle valve.

浮子系统包括：浮子室和一个浮子针阀。

7·In-flight control of the needle valve ensures smooth, consistent runs.

确保在飞行的针形阀控制平稳，一致的运行。

8·Open vent needle valve fully until dripping from vent connection stops.

完全开启排气针形阀直到从排气连接处的滴漏停止为止。

9·Open needle valve b to bleed air and then close b and vent needle valve.

开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。

10·In this system, I often close the needle valve, needle valve is always open.

在该系统中，针形阀i常闭，针形阀常开。