key-in

The driveability analysis is a key in the optimized design method for driven pile.

2、基桩可打性分析是打入桩优化设计方法的关键环节。

I must have left my key in the ignition.

我肯定是把车火开关上了。

Muggins here locked his keys in the car!

这笨蛋把自己的锁汽车里了!

Please turn the key in a clockwise direction.

顺时针转动。

Claudia inserted her key in the lock.

克劳迪娅把入锁中。

He inserted the key in the lock but could not open the door.

他把入锁中但没能打开门。

I turned the key in the door and crept in.

我转动门上的，蹑手蹑脚地进去了。

To make doubly sure they would not be disturbed she turned the key in the lock.

她用开门，进一步确保不会打扰他们。