However, this system is very flawed. Generally, the special PT is relatively large, expensive and inconvenient to install, especially in the high-voltage transmission lines.
然而，这种系统存在很大的缺陷，即专用PT一般体积比较大、价格昂贵并且安装不便，特别是高压输电线在正常运行时无法安装。
Normal person generally and healthily, don't tangibly understand the behavior condition of the advanced age or the body activity inconvenient;
一般健康正常的人，并不确切地瞭解高龄者或身体活动不方便者的行为状况；
The hydropower station generally lie in remote mountain area, the traffic is inconvenient, Worker's living environment is relatively bad.
水电厂一般都位于偏僻的山区，交通不便，职工生活环境较差。
The hydropower station generally lie in remote mountain area, the traffic is inconvenient, Worker's living environment is relatively bad.
水电厂一般都位于偏僻的山区，交通不便，职工生活环境较差。
应用推荐