道路建设行业会有很多的淡季吗？

Is there a lot of slack in the road-building sector?

youdao

建设行业，安装，维修和服务商，承包商和监督员。

Contractors and supervisors, other construction trades, installers, repairers and servicers.

youdao

组织制订建设行业人才培养规划，指导建设行业继续教育工作；

To organize and formulate the plan for construction personnel training;to guide the works on continuing education of construction practitioners;

youdao