sound maintenance的例句大全

The paper introduces optical fibre transmission, digital program-controlled exchange, radio train control communications, pressure maintenance and monitoring for communication cable, speech-sound postbox and other systems.

介绍了京九铁路光缆传输、数字程控交换、无线列车调度通信、通信电缆气压维护监测、语音邮箱等系统。

three ultrasonic flaw detection methods, sound check, small angle longitudinal wave method and skew probe lateral wave method, were used for detection of fatigue cracks of wheel axles for df 4a and df 4b diesel locomotives during medium maintenance.

中修时东风4A、4B型机车车轴疲劳裂纹的超声波探伤用三种方法：透声检查、小角度纵波探伤和斜探头横波探伤。

use and maintenance of sound level meter

声级计的使用与维修

Expenses for repairing and maintenance were reduced after the frequency sound wave deashing device was used.

经采用低频声波清灰装置,减少了检修和维护的费用.

High-magenta dye sound track projection and red light LED maintenance.

高品红染料声迹放映及红光LED的维护保养.

Theater Lighting Design , Stage Construct Setting , Sound Technical Profession and Maintenance.

剧场灯光 、 舞台 、 音响技术暨剧场保养工程.

When the operators heard the hissing sound, they summoned plant maintenance personnel to lift a cover over the area where the gas leak was thought to have occurred.

听到嘶鸣后，他们叫来工厂维修工揭开估计发生嘶鸣的管道的上方的盖板。

The Sound Insulation Door of Experimental Theater Maintenance Project.

戏剧厅隔音门工程规划案.

Sound sales service system and professional maintenance team can work with you to resolve worries.

完善的售货服务体系和专业的维修队伍可为您解决后顾之忧.

I thought of jiangmen to open an automobile sound installation, maintenance shop. To better that way?

我想到江门开一间汽车音响安装, 音响维修店.到那条路好一点?