工程翻译 谢谢 急 ！！！ 汉译英

Because of the necessity for site selection and signal testing, the vehicles shall also be equipped for ensurement of the fulfillment.

Due to the need of re-location and signal test,we need to be provided vehicles to ensure.

Because of site selection and signal testing, it needs vehicles to support.

Because of carrying out site selection and signal test, the automobiles shall be equipped for guarantee.