The use of the leading domestic irongrating design CAD system can provide users with the most perfect grating layout.
采用国内领先铁cad钢格板设计系统，可为用户提供最完美的钢格板布局设计。
2
There was a door which opened under the steps into the kitchen, protected by an irongrating, intended as a safeguard against burglars.
台阶下有一扇门通到厨房，门上装着铁栅栏，是用于防盗的。
3
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.