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162020-05
美標截止閥_磅級止回閥
美標閥門(American standard valve):美標截止閥 American standard cut-off valve,美標閘閥 American standard gate valve ,磅級止回閥 Lb check valve,產品執行ANSI美國標準。......
美標閥門(American standard valve):美標截止閥 American standard cut-off valve,美標閘閥 American standard gate valve ,磅級止回閥 Lb check valve,產品執行ANSI美國標準。......