The 2007 versions of these products were slightly longer (apparently mostly attributed to longer tobacco rods), and had slightly higher packing density, but slightly lower moisture content.
2007年版的产品略长(显然主要因为烟杆较长)填充密度较高，不过，水分含量略低。
2
Layered construction resulted in greater uniformity in the material itself and in its density and moisture content.
分层施工能得到更好的的密度、含水量以及材料本身的均匀性。
3
Its output, quality and growth are affected by base manure, density, temperature, light and moisture.