您要查找的是不是：
- ground contact closure [电] 接地点封器
- These not only attenuate bumps from uneven surfaces, but also ensure that the wheel remains in ground contact, thereby greatly increasing rider safety. 这种技术不仅降低了不平路面带来的震动，还加强了抓地性能，因此大大提高了安全性能。
- The most important severe hazard risk is the ground contact condition which arises in transmission poles, fence posts and railway sleepers. 危害木材最严重的情况，是在木材与地基接触的条件下发生的，为通讯电杆，栅栏柱材和铁路枕木。
- Qiu Song said that Paralympic Game proclaims the award platform is also becomes by several splicing, becomes with ground contact's edge thickness key. 邱松说，残奥会颁奖台也是由几块拼接而成，与地面接触的边缘厚度成为重点。
- Each gam time is a hour, rest 15 minutes between field and field, it is flow operation, each link hold ground contact very compact. 每一场的联欢时间为1个小时，场与场之间休息15分钟，是流水作业，各个环节衔接地都很紧凑。
- The "forward-swept" front end design provides maximum front end ground clearance. Chassis underside is contoured for maximum clearance when cornering, and minimal ground contact area on hard landings. “向前掠”前端的设计提供了最高前端的地面清除。底盘底是等高最大的清关时，转弯，和最小的地面接触面积就很难登陆。
- Standard Practice for Contact Closure Cycling of a Membrane Switch 薄膜开关接触闭合循环的标准实施规程
- Experimental results show that the technology of enhancing heat transfer of through jet impinging is a effective method for raising heat transfer rate in grinding contact ... 实验结果表明，射流冲击强化换热技术确是提高弧区换热效率的有效方法，且射流速度越高，换热效果越好。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- 919 Series single-fiber bidirectional transceivers, which offer two channels of bidirectional multiprotocol data plus two channels of bidirectional audio or contact closure; 919 系列单光纤双向收发器，提供双渠道的双向多协议数据和双渠道双向音频或接点闭合；
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
