激光

yī tái jī guāng cè jù yí

一台激光测距仪

a laser range finder

yī tái jī guāng cè yún yí

一台激光测云仪

laser ceilometer

jī guāng shè bèi cāo zuò liú chéng

激光设备操作流程

laser equipment operation process

jī guāng cái liào

激光材料

laser material