The service and emergency brakes are powered by their own hydraulic pack .

维修停车和紧急刹车由他们自己的液压组件提供动力。

The train's operator saw them on the tracks and applied the emergency brakes.

列车司机发现他们卧在铁轨上，于是启动了紧急刹车。

Also, do not pull your knees into your belly, unless of course you like swimming with the emergency brakes on throughout your race!

同样的，也不要把膝盖回收到腹部，除非你喜欢在你的比赛中需要紧急停止。

Though the driver applied emergency brakes, it was too late by then, he said, adding an internal inquiry has been ordered into the incident.

他说道，虽然火车司机紧急刹车，但为时已晚。一项就此事故进行内部调查的命令已经下达。

Engines and drivetrains, braking systems, chassis, exterior, interior, and safety features like lights, windshield wipers, and emergency brakes were key components and subcomponents.

引擎和动力传动系统、刹车系统、底盘、外型、内部以及诸如灯、挡风玻璃雨刷和紧急刹车装置都是关键的组件和子组件。

If you need emergency braking ahead, you can step on the brakes several times, to achieve the purpose of controlling the speed, and can effectively remind the rear car attention.

如果前方需要紧急制动，可以连续几次轻踩刹车，达到控制车速的目的，并可以有效的提醒后车注意。

What I wanted to do was pull some massive emergency brake on the universe, like the brakes I'd seen on the subways during our school trip to New York City.

当时我想要做的，就是拉下宇宙运转的那个重重的紧急刹车闸，就像在学校组织的纽约之行中，我于地铁上所见到的刹车闸一样。

Drum brakes have more parts than disc brakes and harder to service, but they are less expensive to manufacture, and they easily incorporate an emergency brake mechanism.

鼓式制动比盘式制动的零件多，维护也更困难，但鼓式制动造价便宜，且易于与紧急制动机构配合。