| 1. | All needle valves must be closed on test kit
检测组件上的所有针形阀必须关闭。
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| 2. | Needle valves have nps / internal pipe threaded ends
针形阀配置nps内管螺纹连接端口。
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| 3. | Open the needle valve 2 _ turns from the fully closed position
锁紧主油针到底，放开2圈。
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| 4. | Before starting test all needle valves must be closed
在开始检测之前，所有阀门都必须关闭。
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| 5. | Stainless steel corrosion - resistant needle valve
不锈钢防腐针型阀
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| 6. | Before starting test , all needle valves on test kit must be closed
在开始检测前，检测组件上的所有针形阀都必须关闭。
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| 7. | Bar - stock needle valve
杆控针形阀
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| 8. | Needle valves are intended for use in applications that require precise metering control
针形阀适用于要求精确控制的应用场合。
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| 9. | Needle valve nozzle mv
针阀喷嘴
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| 10. | Angle needle valve
弯角针形阀
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