求翻译：前、后安全梁在原防撞梁位置上，分别用螺栓紧固在汽车纵梁前、后两端面上，使前、后安全梁和汽车纵梁成为一个整体；是什么意思？

Before and after An Quanliang the original bumper beams position, respectively, with a bolt fastened to the vehicle longitudinal front surface of the rear ends of the front, the rear An Quanliang and car stringer as a whole;

Before and after security in the original anti-collision frame position, respectively, with bolts tightened to the car before and after side rails on the face, both the front and rear frame rails and cars as a whole.

Before and after security Liang in the original anti-collision Liang position, uses the bolt fastening separately on the automobile carline before and after two end surfaces, causes before and after security Liang and the automobile carline becomes a whole;

Before and after the security beam on the original location of anti-collision beam, respectively, using the bolt ends after the vehicle longitudinal Liang Qian, on the surface, both before and after the security beam and automobile girder as a whole;

正在翻译，请等待...