gas main laying works的意思|示意
铺设煤气总管工程
gas main laying works的网络常见释义
铺设煤气总管工程 ... 铺设吸音面层;吸音铺面料：noise-reducing surfacing 铺设煤气总管工程：gas main laying works 铺设：laying ...
煤气总管 ... 煤气热水炉 gas main 煤气总管 gas main laying works 煤气表；气体表 gas pipe ...
gas main laying works相关短语
1、 gas-main laying works 煤气管铺设工程
2、 gas s main laying works 铺设煤气总管工程