短语词组短语COTTER PINS 开口销;开口梢;开尾销;檫口梢Cotter Cunningham 康宁汉姆;坎宁安;康宁汉;柯特·坎宁海姆square cotter [机]方销;方梢cotter block 滑车栓;开尾销块crosshead cotter 十字头栓;十字头销anchor cotter 锚卸扣螺栓Kal Cotter 标签cotter r 栓钉;开口梢cotter pin 开口销 返回 cotter