汽运的损失和损坏的比例远比铁运低而比空运要高得多。
Loss and damage ratios for motor carriers and substantially lower than for rail and are slightly higher than for air freight.
然而由于不可避免的老化、腐蚀及人为损坏等原因，管道泄漏频频发生，所产生的经济损失和环境污染也十分严重。
Pipeline leakage is a frequent phenomenon due to inevitable aging, erosion and contrived damage, which causes serious economic loss and environmental pollution as well.
这些计算机系统的服务一旦发生停顿、数据发生丢失和损坏将对企业造成难以估量的损失。
In case, the losing of these key data will bring us huge loss. At the same time, the system service and data usability which the enterprises demand of has been raised more and more.
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