dual ball信息详情
双球
dual───vt.把……改为双幅车道；n.（Dual）（法）迪阿尔（人名）；adj.双的；双重的；n.双数；双数词
dual carriageway───双行道；[交]双线车道；双程分隔车道；n.<英>（中间有分隔带的）复式车行道
dual flow───双流
dual problem───[数]对偶问题；成对问题，对偶问题
dual carriageways───n.<英>（中间有分隔带的）复式车行道( dual carriageway的名词复数 )；双行道；[交]双线车道；双程分隔车道
dual slim───双重修身
dual control───相互监督；双重控制
dual wide───双宽
dual camera───双镜头；双摄像头
A type of dual slots helix hoisting composite valve switch mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.───介绍了一种适用于球阀、蝶阀和旋塞阀双轨道旋转和升降复合动作的启闭结构。
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).───磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
bearing Clutch Bell Pinion Pinion gear is now dual ball bearing supported.───翼齿轮现在是双滚珠轴承承托的。
Shanghai Intemational Conference Center, super huge diameter Shell with single cover Dual-ball Steel Construction .───上海国际会议中心超大直径单层网壳钢结构制作。
JGD-A Dual-ball rubber joints JGD-B Threaded dual-ball rubber joints───JGD-B型丝联双球橡胶接头