two-lead screw and nut assembly 是什么(分析)? A two-lead screw and nut assembly with adjusting knob is installed in the post and the fuel tank, float reservoir assembly fastens to the nut so that as the screw is rotated by the knob, the assembly is raised or lowered. 原译:有调节旋钮的一个两组丝杆螺母的组件安装在柱和油箱中,浮式油箱组件固定到螺母上,使得用旋钮旋转螺丝时,组件向上或向下移动。 看看译文有没有问题,欢迎修改。 查看更多2个回答 . 4人已关注