基本解释n.[機](軸頸罩的)頂蓋同根派生 topcap相关词英汉例句Slide assembly back into fork. Replace screw in bottom of leg. Pour oil back in the fork. I used a nylon washer to cushion the spring topcap contact area. 將其裝廻前叉，擰上底部螺絲，倒廻前叉油。我著了個尼龍墊圈（下圖白色墊圈）墊在與蓋子接觸部分topcap更多例句