The results indicated that water loss and the total cost of water leakagecontrol decreased because of the optimal inspection interval.
结果显示，总漏水量因实施优化检测周期而减少，漏损控制费用降低。
2
During joint mining of open-pit and underground, the ground air leakagecontrol was realized by laying the capping layer on the open pit.
在露天与地下联合开采时期，控制地表漏风主要通过露天坑底铺设覆盖层来实现。
3
Control of leakage in piping LPG supply is expounded. The good engineering quality is the essential condition, and strict management is the fundamental pledge for leakagecontrol.