单词	push-pull switch
释义	push-pull switch 推拉开关
随便看	congruence of figures congruence of fiqures congruence of first degree congruence of lines congruence of matrices congruence of matrix congruence of pulse with four seasons congruence of segments congruence of spheres congruence on universal algebra congruence-permutable algebra congruence point set congruence property congruence quantities congruence relation congruence relations congruence root congruences congruence segments congruence subgroup congruence theorem congruencetransformation congruence transformation congruence transformation group congruence triangles ljbs ljbx ljbz ljcb ljcc ljch ljcl ljcx ljdk ljdr 步跌步辇步道步量步长步随步障步韵步频步骑