At first, the reason and hazard of rail gnawing in cranes big and small vehicle are analyzed, then the problems are listed when checking rail gnawing and resolutions are put forward.
分析了起重机大、小车运行产生啃轨的原因及其危害，同时列出啃轨时检验注意的问题，提出了解决啃轨的方法。
James knows some sandhill cranes rest in a small water area in the evening.
詹姆斯知道一些沙丘鹤总是在傍晚飞到里面的一小片水域休息。
According to the situation of domestic truck chassis in production, several lines of medium and small-sized truck cranes can be developed.
根据国内汽车底盘的现状，我们现在能开发几个系列的中小型汽车起重机。
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