刚开始打滑前，带传动传递的极限有效拉力F<sub>elim</sub>与初拉力F<sub>0</sub>之间的关系为（）。<br>A:<img src="/Image1/0b/0bee400e0a92c9431251cfd13c150755.jpg" /><br>B:<img src="/Image1/4f/4f9116c8156a4fb4008088ba1eb51e7d.jpg" /><br>C:<img src="/Image1/40/405a2c81bfab92bbd52faebf47d9ed14.jpg" /><br>D:<img src="/Image1/e8/e838ae6f5fcfad13adf91f06abf769e4.jpg" />