gradient layer composite board梯度复合板

Double layer insulating board双层隔热板

double layer metal board双层板材

Eight layer HDI board八层HDI板

8 layer circuit board层电路板

layer interconnection board多层互连板

multi-layer layout board多层布线板

multi-layer interconnection board多层连接板

three-layer particle board三层结构刨花板;三层碎料板