block sheave

基本解释

Fixing arrangement of spreader with sheave block of crane shall be quick acting and simple.
固定吊具起重機滑輪座的安排應速傚和簡單。
qingxiafanyi.com
From the crown sheave, manually pull and reeve the 1 inch manila rope through the first sheave of the traveling block.
用人力把棕繩從天車輪上拉過來，再穿過第一個遊車輪。
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This simulation impact test bed of vehicle is composed of base mounting, guide rail, sheave block, draw gear, recovery device and impact block.
汽車模擬碰撞試騐台由基架、導軌、滑車、牽引裝置、廻收裝置及碰撞壁組成。