Physically and chemically they are a heterogeneousmixture containing a wide variety of insects, microorganisms and nematodes.
从物理和化学角度看,他们是包含各种昆虫、微生物和线虫的异类混合物。
3
According to the features of the mixture formation in natural gas engine, natural gas engine can be classified as two types: premixed combustion type and heterogeneous diffusive combustion type.