80BS43 1 1/2规格参数
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80BS43 1 15/16 80BS43 1 3/4 80BS43 1 3/8 80BS43 1 5/8 80BS43 1 7/16 80BS43 2 80BS43 2 15/16 80BS43 2 3/16 80BS43 2 7/16 80BS44 1 1/2