Used for transportation of slagging in viscosity, easy to medium pipeline ball valve full bore should be used to facilitate regular scraping wax blowing through.
用于输送粘性、易结渣介质管道上的球阀应使用全通径的，方便定期的刮蜡吹扫器通过。
Used for transportation of slagging in viscosity, easy to medium pipeline ball valve full bore should be used to facilitate regular scraping wax blowing through.
用于输送粘性、易结渣介质管道上的球阀应使用全通径的，方便定期的刮蜡吹扫器通过。
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