The other main type of chemical pulping is called the sulfite process.另外一种重要的化学制浆称亚硫酸盐工艺.Introduced into a batch pulping process, this control method performs very well.我们在造纸车间的纸浆蒸煮过程中采用了这种控制方法,取得了良好的效果.Wasterwater from ...
Wasterwater from pulping and papermaking is one of the important pollution sources.制浆造纸废水是工业废水中的重要污染源.The other main type of chemical pulping is called the sulfite process.另外一种重要的化学制浆称亚硫酸盐工艺.Optimum conditions of kraft p...
花园充其量不过是抗拒自然的一时之法。A garden is, at best, a holding operation against nature.他怨恨你是很自然的事。It is only natural that he should resent you.猫确实喜暖，不管是自然的还是人工创造的温暖环境。Cats positively revel in heat, whether natural or man-made....