1、
Exhaust Cutoff Oil Valve and Its Application to Full-Enclosed Distribution Transformer
排气截油阀及其在全密封配电变压器上的应用
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2、
In catalyzer plant, it's very important to select the discharging cutoff valve for solid.
在催化剂生产中，固体原料的卸料切断阀的选择十分重要。
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