对209P型客车转向架摇枕安全吊座断裂原因进行了分析，并提出了改进建议。
The causes to breaking of bolster safety hangers on 209P passenger car bogies are analyzed, and suggestions for improvement are given.
他的23位学生上课的教室现在有了电灯、吊式电扇和安全的屋顶。
His classroom with 23 children now has lights, ceiling fans and a secure roof.
另一个选择是辅助座椅设施，通过吊在车辆座椅的头垫上，把狗狗安全地装在一个像篮子般的容器中。
Another option is booster seats, which hook around head rests and keep dogs secured in a basket-like container.
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