The Recoilable-Belt Rail with plastic base , also referred to as "one meter line" in China, is a retractable isolation rail extensively applied in banks, hospitals , metro and other public places.
塑料座式伸缩隔离带：又称一米线，就是能够自由伸缩连接的隔离带，被银行、医院、地铁等商务和公共场合广泛使用。
There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
电力线载波技术分为两类，一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
Telephone system : Every 40-square-meter leased area is supplied with one telephone line.
电话系统 ： 每租赁面积40平方米提供一条电话线。
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