carbon steel coupons 中文意思是什麼
carbon steel coupons
解釋
碳鋼測腐蝕掛片-
Fabrication and inspection method for high pressure urea equipment preparation of the test coupons for the intergranular corrosion trend test on the urea grade extra low carbon cr - ni - mo austenitic stainless steel
尿素高壓設備製造檢驗方法.尿素級超低碳鉻鎳鉬奧氏體不銹鋼晶間腐蝕傾向試驗的試樣制取
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