双卷筒的的英文

• dual-drum

• 双:    two; twin; both; dual
• 卷筒:    drum; spool; coiling block; ...
• 的:    4次方是 The fourth power of 2 i ...
• 双卷筒绞车:    double drum winch; double purchase winch; double-drum hoist; double-purchase winch; doubledrum winch
• 双卷筒绞盘:    double capstan; doublecapstan