车辆超限超载运输对交通安全、运输市场、车辆生产秩序及路桥基础设施造成了极大危害。
Over-limited and over-load transport has made great damages to traffic security, transportation marketing, vehicle manufacture and infrastructure.
回采工作面瓦斯超限现象经常发生，给煤矿安全生产带来重大隐患。
The phenomenon of gas exceeding the limit usually occurs in working face brings heavy hidden danger to the production safety in coalmines.
由于水力的挤压作用，增加了煤层瓦斯放散的速度，瓦斯得到充分释放。减小了工作面瓦斯超限的威胁，对安全生产有显著的作用。
Extruding of water power increases the speed of gas scattering, which makes gas fully release, reduce the gas pressure goes beyond the limit and have remarkable effect to safety production.
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