这种设计虽然是内部的机械部分复杂化了，但却为驾乘者提供了安全保障，因为只要能找到加油站，驾驶者就不会束手无策了。
This complicates the mechanics, but provides the driver with a security blanket, for he knows he will never be stranded if he can find a petrol station.
最后对我国手提林业机械的手部受振动标准及如何保障操作者的健康提出了建议。
And in the last, proposals were offered on standards of vibration born by hands of portable forest machines and on safeguard for operator.
零件的应力状况能够反映机械构件的工作状态，对它的有效检测和评估为提高产品的安全性、可靠性和稳定性提供了保障。
The working condition of mechanical components can be indicated by their stress states, whose measurement and evaluation can also improve the security, reliability and stability of the products.
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