unit
(1)单位
(2)单元
(2)设备，装置，机构
(4)组合，组合件，部件

• laser physics
• laser piercing power
• laser pipe fibre optics
• laser-plane targe
• laser plasma tube
• laser platform
• laser plume
• laser pointers
• laser pollution detective devices
• laser positioning equipment
• laser power
• laser powered engine
• laser-powered space vehicle
• laser precision length measurement
• laser printer
• laser probbility
• laser probe
• laser probing
• laser processing
• laser-produced plasma
• laser projection microscope
• laser protective eyewave
• Laser protective housing
• laser pulment level
• laser pulse length