back filling shrinkage

基本解释充填物收缩

网络释义

1)back filling shrinkage,充填物收缩2)pack compression,充填料收缩3)filler,填料、填充物4)adjustage,filling,filler, packing filling,packing; packing material,weighting material,填充物,填料5)loading material,填充物、填料6)wad,填絮;填充物