本实用新型涉及一种用于地下铺设管道的微型顶管机，属于通信施工技术领域。
The utility model relates to a mini-size push bench for underground pipe laying, which belongs to communication construction technical field.
通信电工线路业认证施工工艺是可用的，而在阿尔伯塔省，育空地区，西北地区和努纳武特地区是自愿的。
Trade certification for communications electrician (construction craft) is available, but voluntary, in Alberta, the Yukon, the Northwest Territories and Nunavut.
电力通信工程建设承包存在工程项目总造价、通信工程质量和施工阶段造价等关键性问题。
In contracting of power communication projects, there exist such key problems as total price, construction quality and phase prices.
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