Blades of the two pumps are all austenite stainless steel castings.The blade made by 304 stainless steel fractured just working for four months.
英
美
释义
两台泵的叶片均采用了奥氏体不锈钢铸件,其中一台的叶片材料为304不锈钢,使用4个月发生断裂;
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