开路试验
基于12个网页-相关网页
HVDC open line test 直流系统开路试验
open line test protection 开路试验保护
open line test
开路测试
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By January he had sold Levi's brass on a test of on-line sales in Canada, and in 60 days the virtual store was open for business.
FORBES: Digital denim
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