常見例句雙語例句S43A In case of fire, use dry chemical. (never use water)著火時使用干粉消防器材種類滅火（禁止用水）；At present, the main trend of fire extinguishing agent - ammonium phosphate dry chemical is superfine to improve extinguishing efficiency.目前磷酸銨鹽干粉滅火劑正向超微細化方向發(fā)展以提高其滅火效能。Fire extinguishing agent -ammonium phosphate dry chemical is one of substitutes for halon extinguishing agent, which can fight A, B, C fire.目前磷酸銨鹽干粉滅火劑正向超微細化方向發(fā)展以提高其滅火效能。權威例句No trace of chemical or petroleum products, the site was dry.NPR: 'Arson' by Nick Lysohir 返回 dry chemical