“covering layer”造句，怎麼用covering layer造句

The crack repairing technology of unballasted track and bridge covering layer of special railway line for passenger transportation

A layer of a substance spread over a surface for protection or decoration; a covering layer.

Loose covering layer that consisted of water containing fine powder sand layer was encountered in the overcasting at Zhaodianzi Iron Mine.

Theoretical analysis using the method of energy equilibrium in covering layer and validation of the overall heat transfer coefficient of greenhouse covering materials;

With sulfuration metal flange and asbestos covering layer.