dredge level 中文意思是什麼
dredge level
解釋
疏浚標高-
It is indicated that the dredge pump abrasion resistance parts produced by high - chromium cast iron can meet the demands of design, and its properties may reach the level of products abroad
試制結果證明,使用高鉻鑄鐵生產的泥泵過流耐磨部件符合設計要求,性能達到國外同類產品水平。
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