高度集成；集保护、测量、控制、监测、通讯、录波、事件记录等多种功能于一体。
High integrated degree: incorporate protection, measure, control, monitor, communication, wave record functions etc. with event record.
邮电通讯线路、电力电线保护套管。
Postal telecommunications lines and power cable protection sleeve.
邮电通讯线路、电力电线保护套管。
Postal telecommunications lines and power cable protection sleeve.
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