Safety valve diameter 安全阀口径
Main steam valve diameter 主汽阀口径
nozzle valve diameter 喷油嘴针阀直径
adjustment valve diameter 调节阀口径
valve head diameter 气门头外径
intake valve stem diameter 进气门杆直径
exhaust valve stem diameter 排气门柱直径
·2,447,543篇论文数据，部分数据来源于NoteExpress
Ball has good thermal insulation cold insulation properties, and the valve diameter and the diameter line pipe in the same time reduce medium heat loss.
保温球阀具有良好的保温保冷特性，且阀门的通径与管径一致，同时又能有效降低管路中介质热量损失。
KMC production of fully welded ball valve diameter DN15-DN1500, the use of advanced design and manufacture of high quality standard ball.
KMC全焊接球阀的生产口径DN15 - DN1500，利用先进的设计制造出高品质的标准化球阀。
Ball valve fully open, the flow resistance is very small, almost zero, so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy.
球阀在完全开启时，流阻很小，几乎等于零，因此等径球阀广泛应用于石油天然气管线中，因为容易清扫管线。
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