METHODS: To make a survey of the usage for above mentioned drugs in 136 hospitals of 6 cities in drainage area of the Yangtse River of China during 1998-2000,especially the sum for drugs, main company etc.是什么意思_METHODS: To make a survey of the usage for above mentioned drugs in 136 hospitals of 6 cities in drainage area of the Yangtse River of China during 1998-2000,especially the sum for drugs, main company etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句