The current valve enterprises attach great importance to the development of new products.
当前阀门企业都非常重视新产品的开发。
The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
目前核阀密封面堆焊材料一般均为含钴合金。
The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
目前核阀密封面堆焊材料一般均为含钴合金。
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