内带滑车的英文

• internal band block
• internal bank block
• internal bound block
• internal strapped block

• 内:    inner; inside; within
• 带:    belt; girdle; ribbon; band; ...
• 滑车:    block; wheel; purchase tackl ...
• 索带滑车:    stropping block
• 铁带滑车:    iron bound block; iron strapped block; iron-strapped block; ironband block