The system works welland has significances to energy saving and environmental protection.本工程对节省能源和保护环境具有重要意义.What are the aims and significances of the recovery test?回收率试验的目的和意义是什么?Results: The significances of TDA cours...
AIDS can be spread among drug users through the use of shared syringes.艾滋病可能通过共用的注射器在毒品使用者中传播.This is a medical supplies company that produces disposable hypodermic syringes.这是一家生产多用途皮下注射器的药材公司.Old tires, carpet, syringe...