Smoke was produced by burning a mixture of wolf dung , sulfur and saltpeter 用作烽烟燃料的是狼粪硫磺和硝石混合物。
2.
Large - sized catalyst system : voc catalyst regeneration environmental protection deodorization catalyst substance peoples livelihood environmental protection catalyst scr de - nox peel saltpeter catalyst voc organic volatility gas dealing with catalyst 大型触媒系统: voc触媒再生、环保除臭触媒担体、民生环保触媒、 scr de - nox脱硝触媒、 voc有机挥发性气体处理触媒
3.
Staffs of china technology service organization catalyst centerformed relative enterprise kan - je environmental technology co . , ltdto produce vehicle motorcycle three - way catalyst series scr system of peel saltpeter series and voc systems of peel odors series 由中国技术服务社触媒中心人员成立关系企业康捷环保科技股份有限公司生产汽、机车三元触媒催化系列、脱硝系列之scr系统及脱臭系列之voc系统。