“You leapfrog over the need for fixed lines, ” said Adam Kendall, head of the sub-Saharan Africa power practice for McKinsey &Company, the global consulting firm.
“超越了对固定线路的需求，”全球咨询公司 McKinsey &Company非洲南撒哈拉电力业务总裁亚当·肯戴尔说。
The hardware of the system comprises the five sub-systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector.
此系统的硬件主要包括五个子系统，即：焊接电源、弧长控制器、送丝机构、焊矩行走机构和检测机构；
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