The valve has its advantages to high-hardness particle medium, or soft corrosive particle medium, it is the sole valve suitable for this type of medium at present.
用于高硬度的颗粒介质，或有软颗粒但又有腐蚀的介质中，本阀门具有优势，也是目前唯一合适此类介质的阀门。
The valve has its advantages to high-hardness particle medium, or soft corrosive particle medium, it is the sole valve suitable for this type of medium at present.
用于高硬度的颗粒介质，或有软颗粒但又有腐蚀的介质中，本阀门具有优势，也是目前唯一合适此类介质的阀门。
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