He continued to work in construction, trying to master the intricacies of management.

他继续在建筑业工作，努力掌握有关管理的错综复杂的关系。

youdao

Solving the crack in concrete pavement slab should master key technology of small tools method, adopt construction craft and technology measures from management point and set up suitable sewing.

这些水泥混凝土路面形状通常不规则，不适宜大规模的机械作业，一般只能用小型机具法施工。

youdao