无烟固体燃料 meaning in Chinese

smokeless solid fuel

Methods for sampling manufactured domestic solid smokeless fuels in small consignments of mass 50 kg to 5000 kg either in bulk or in bags - sampling of coke
50kg - 5000kg小发货量散装或袋装家用人造无烟固体燃料取样方法.第1部分:焦炭取样
Methods for sampling manufactured domestic solid smokeless fuels in small consignments of mass 50 kg to 5000 kg either in bulk or in bags - sampling of solid smokeless fuels other than coke
50kg - 5000kg小发货量散装或袋装家用人选无烟固体燃料取样方法.第2部分:固体无烟燃料