Thus transport of sulfuric acid pump usually high silicon cast iron (casting and processing is very difficult), high-alloy stainless steel (alloy No. 20) to create.
因此输送硫酸的泵阀通常采用高硅铸铁（铸造及加工难度大）、高合金不锈钢（20号合金）制造。
Thus transport of sulfuric acid pump usually high silicon cast iron (casting and processing is very difficult), high-alloy stainless steel (alloy No. 20) to create.
因此输送硫酸的泵阀通常采用高硅铸铁（铸造及加工难度大）、高合金不锈钢（20号合金）制造。
应用推荐