wire carrier meaning in Chinese

便携式线盘
导线导轮
线盘

Standard for quality inspection and evaluation of petroleum construction engineering . telecommunication engineering toll open - wire carrier equipment installing engineering
石油建设工程质量检验评定标准.通信工程长途通信明线载波电话安装工程
Standard for quality inspection and evaluation of petroleum construction engineering telecommunication engineering toll open - wire carrier equipment installing engineering
石油建设工程质量检验评定标准通信工程长途通信明线载波电话安装工程