短語(yǔ)詞組短語(yǔ)rosin mildly activated 中度活性樹(shù)脂;中等活性;激化型;松香適度激化型RMA Rosin Mildly Activated 中度活性樹(shù)脂rosin super activated 超活性樹(shù)脂RSA Rosin Super Activated 超活性樹(shù)脂activated rosin flux 活性焊劑 返回 rosin activated