It also installed keyless remote entry systems on all its u. s.trucks .
该公司还在美国的所有卡车上安装了遥控车门开关系统。
Studying the files at home and abroad , some new keyless connection structures are concluded , their working principle and characteristics are introduced .
根据国内外资料，总结了几种新型无键联接结构，介绍了其工作原理及性能特点。
Nexteer engineers say a new locking system expected on the market soon was designed specifically to thwart cordless drills , and uses electric motors that respond to signals from the keyless starter system to lock down the steering .
