three sheave block

网络释义

1.	三轮滑车客户留言 ... 单轮滑车 Single block 三轮滑车 Three-sheave block 四轮滑车 Four-sheave block ... www.feimasuoju.com
2.	三轮槽滑车 ... "3/4椭圆弹簧"," three-quarter elliptic spring" "三轮槽滑车"," three-sheave block" "三角锉"," three-sided file" ... www.guandang.com

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