仪表针形球阀 Meter Needle Type Globe Valves
铜球阀-仪表 BALL VALVES - INSTRUMENTATION
仪表球阀
Instrument ball valve
以上为机器翻译结果,长、整句建议使用 人工翻译 。
针型阀:是仪表测量管路系统中重要组成部分,主要有截止阀和球阀,其功用是作开启或切断管道通路用。
Needle valve: it is an important instrument measuring piping system components, mainly cut-off valve and ball valve, its purpose is to open or cut off access by pipeline.
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