求翻译：该系统由激光器、激光电源、光学聚焦系统、光纤传输系统、激光焊接头气动Z轴升降系统、激光焊接头手动九十度旋转机构、焊缝跟踪和随动装置（小Y轴）、龙门式焊接运动机床、固定工作台、PA控制系统、内循环冷却系统、红光指示系统、外循环系统以及专用工装夹具（甲方壹种产品规格共两套）等组成。是什么意思？

The system consists of lasers, laser power, optical focusing system, fiber optic transmission systems, pneumatic Z-axis laser welding head lifting system, the laser welding head manually rotated ninety degrees agencies, seam tracking and servo devices (small Y-axis), gantry welding machine movement,

The system is operated by lasers, laser power, optical focus system, fiber optic transmission systems, laser welding and pneumatic Z shaft lift system, laser welding and manually 90 degrees rotation bodies, weld tracking and transmit interactive devices (small Y-axis) and the Longmen soldering campa

This system by the laser, the laser power source, optics focusing system, the optical fiber transmission system, the laser soldered splice air operated Z axis jacking system, the laser soldered splice manual 90 degree rotary mechanism, the welded joint track and the follow-up (the small Y axis), the

The system by laser, and laser power, and optical focused system, and fibre transmission system, and laser welding head pneumatic z axis lifting system, and laser welding head manually 90 of rotating institutions, and weld track and with dynamic device (small y axis), and gantry type welding movemen

The system consists of lasers, laser power, optical focusing system, fiber optic transmission systems, pneumatic Z-axis laser welding head lifting system, the laser welding head manually rotated ninety degrees agencies, seam tracking and servo devices (small Y-axis), gantry welding machine movement,