The original design of valve plate to open the gas valve is hanging in the channel, the possession of an effective diameter about 20%.
而原设计阀板打开是悬于阀体的气体通道内，占有有效通径20%左右。
When valve is transporting, driving device and driving part should be hanging, avoid of damaging driving shaft because of larger force.
当阀门运输时传动装置及传动部位应悬空，以防止传动轴受力过大变形损坏。
When valve is transporting, driving device and driving part should be hanging, avoid of damaging driving shaft because of larger force.
当阀门运输时传动装置及传动部位应悬空，以防止传动轴受力过大变形损坏。
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