，惯性
闩;The stone was lifted by means of a rope and pulley.
这块大石是用绳子和滑
起来的。
；滑车；皮带升起；皮带盘；压带组The stone was lifted by means of a rope and pulley.
这块大石是用绳子和滑起来的。
The stone was lifted by means of a rope and pulley.
这块大石是用绳子和滑起来的。
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