| 摘要 |
A cross-section of a thread passage(2) is practically circular. A fluid spray hole(3) is vertically open to the passage(2). The diameter of the passage hold and spray hole and the rate of diameter is 100:90˜100: 100. The nonconductiv body of the cerfficient nozzle(1) has a wall that has a conductivity rate of 80. The coefficied into a packing(6) and is held by a nozzle holder(7,7`). Fluid sprays into the thread passage hole from the spray hole.
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