A.當(dāng)量摩擦系數(shù)越小,自鎖性能越好 B.當(dāng)量摩擦系數(shù)越小,自鎖性能越差 C.當(dāng)量摩擦系數(shù)越大,自鎖性能越差 D.當(dāng)量摩擦系數(shù)越大,自鎖性能越好