Features of sodium chlorite bleaching for cotton knits are described.本文叙述了亚氯酸钠对纯棉针织物漂白的特点.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件.T...
He struck the ball straight into the hospitality tents.他将球直接打进迎宾帐篷里。They put up their tents and settled down for the night.他们搭好帐篷，准备过夜。I helped out in the tents fetching and carrying.我在帐篷里帮忙打杂。...