document.write('
'); document.write(''); document.write('
BG-A502440(通气管/磨口24/40/磨口以下长度153mm/管外径12mm)'); document.write('¥25.6
BT-Z14098(多用途反应箱/红外烘箱/IR-1905)'); document.write('¥1840
BG-S312044(T型连接管/玻璃三通节门/外径12mm/孔径6mm)'); document.write('¥144