DN150負壓環型橡膠接頭 上海淞江減震器集團有限公司官方網站為您介紹:DN150負壓環型橡膠接頭信息......
鋼絲橡膠接頭剖析 上海淞江減震器集團有限公司官方網站為您介紹:鋼絲橡膠接頭剖析信息,上海淞�......
【新品】QT450球墨法蘭橡膠接頭“韌性好塑性高� QT450 ductile flange rubber joint "good toughnes......
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