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。
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。
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。
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。
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。
Forward needle valve positions for easy access.
针形阀位置提前，便于接近。
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。
The structure and principle of needle valve cushion and relief valve cushion were introduced.
本文介绍了针阀式缓冲气缸和溢流式缓冲气缸的结构及工作原理。
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。
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。
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