Methods: One side vein of upper extremity of patients who need intravenous drip of mannitol were selected and the other side vein of upper extremity as self-control.是什么意思_Methods: One side vein of upper extremity of patients who need intravenous drip of mannitol were selected and the other side vein of upper extremity as self-control.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句