例句與造句

1. Automatic brakes on the other hand use the air or vacuum pressure to hold the brakes off against a reservoir carried on each vehicle, which applies the brakes if pressure / vacuum is lost in the train pipe.
2. Every guard's compartment had a brake valve, and the passenger communication apparatus ( usually called " the communication cord " in lay terminology ) also admitted air into the train pipe at the end of coaches so equipped.
3. Although, in multiple-unit operation, the air reservoirs on the vehicles can be relatively quickly charged, the restoration of pressure to the train pipe takes some time as air has to travel physically down the length of the train.
4. When the driver wishes to release the brakes, his operation of the driver s brake valve returns compressed air ( stored in a cylinder near the driving position ) into the train pipe and this moves the triple valve so as to release the air in the brake cylinders to atmosphere, allowing the brake blocks to move clear of the wheels.
5. To release the brakes on each car, pressure is increased in the train pipe until an excess pressure above that of the pressure in each auxiliary cylinder is reached, which throws the triple valve so as to close the inlet to the brake cylinder and open the inlet to the auxiliary reservoir from the train pipe, thus allowing the equilibrium of the two pressures to be reached.
6. It's difficult to find train pipe in a sentence. 用train pipe造句挺難的
7. To release the brakes on each car, pressure is increased in the train pipe until an excess pressure above that of the pressure in each auxiliary cylinder is reached, which throws the triple valve so as to close the inlet to the brake cylinder and open the inlet to the auxiliary reservoir from the train pipe, thus allowing the equilibrium of the two pressures to be reached.
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