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Potassium tert-butanolate, 叔丁醇钾/500g/CAS:865-47-4'); document.write('¥760
BG-C255300(球型冷凝器/冷凝管/冷凝部分长300mm,磨口29/42)'); document.write('¥103.2
BT-Z18006(高压釜四通/316不锈钢/接口¼英寸)'); document.write('¥200
BT-P80001-19(手工冲子/圆冲/直径19mm)'); document.write('¥29.05
BH-20106-365-25(紫外灯/365nm/220V/25W)'); document.write('¥142.82
BG-A922440(90°抽气接头/磨口24/40/小咀外径10mm)'); document.write('¥16.8