化工单元操作 » Unit operations of chemical engineering 艰苦的环境 » The tough conditions 登高作业安全管理规定 » Aerial work security management regulations ..
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Despite the tough conditions, both Ben and his father would not miss the adventure.
尽管困难重重,本和他的父亲从不放弃每一次历险。
This can be meeting the tough conditions of an IMF bail-out or surmounting some other financial crisis.
这可以满足国际货币基金组织的困难或者其他一些金融危机。
These ro systems are designed to handle the tough conditions and demand of today's car wash environment.
工业渗透系统被设计是用于处理难办的条件和要求今天的汽车冲洗环境。
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