layeragen.压条法
layern.层vi.分层vt.将某物堆积成层
layering of firedamp瓦斯分层
layer chromatography层色谱
layer of nuburnt gas不燃气体层
layers of modern ski现代滑雪板的层次
layer thickness meter膜层测定仪,镀层测厚仪
layers characteristic层次特点
layer stripping ratio分层剥采比
Layer Tunnel Protocol第二层隧道协议
layer of light liquid轻液层
layer brick ice cream分层花色冰砖