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BG-P1406030(螺口试管/高硼硅/含盖垫/圆底/30mL)'); document.write('¥6.24
BG-A814030(双外磨口连接头/磨口24/40/磨口间长度30mm)'); document.write('¥20
SV-P281250(厚壁耐压反应管/具高真空阀/压力表/250mL)'); document.write('¥764