双语例句
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Fixing arrangement of spreader with sheave block of crane shall be quick acting and simple.
固定吊具起重机滑轮座的安排应速效和简单。
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From the crown sheave, manually pull and reeve the 1 inch Manila rope through the first sheave of the traveling block.
用人力把棕绳从天车轮上拉过来，再穿过第一个游车轮。