This gas is then directed through your vehicle's air-intake system.
这种气体然后被输入您车辆的进气系统。
The system is directed at providing help for old people.
这项制度旨在为老人提供帮助。
The system is directed at providing help for old people.
该制度的目的是向残疾人士提供帮助。
The system is directed at providing help for old people.
该制度的目的是向残疾人士提供帮助。
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