衬垫层的英文

• bedding
• laying
• sarking

• 衬垫:    backing strap; bearing strip ...
• 层:    I storey; tier; stratum
• 垫层:    bed course; undercourse; cushion; packing; bedding course; cushion course; subcrust; cushion coat; cushion ply; mat base◇垫层橡胶 cushion rubber
• 衬垫:    backing strap; bearing strip; gasket; insert; insertion; lining; bedding; spacer; washer; laying-in; bolster; [冶金学] pad; backing; liner; [材料] mat
• 底垫层:    subbase course