You slip the key into the ignition and crank the engine to life.
把钥匙插在点火装置上，开动引擎。
2
Key parameters measured are bond stress and slip between structural steel and concrete.
测量的关键参数是型钢与混凝土之间的粘结应力和滑移。
3
The key parameters of bulldozers' traveling hydraulic system, the slip ratio, the efficiency of the hydraulic system, power-to-weight ratio and force-to weight ratio, are studied.