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        閥門材質術語的英漢對照

        2016-11-21 22:53:21      點擊:1781&
        Atbas metal鎳鉻鋼Buna-N rubber丁晴橡膠
            
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              Chromium-molybdenum steel鉻鉬鋼
            
              Corrugation pad波形墊
         
         
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