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DZ-BG-具夹层及冷凝管带卸料控制阀法兰反应釜'); document.write('¥2500
DZ-BG-具支三通接头'); document.write('¥200
DZ-BG-可悬挂式光反应桶'); document.write('¥460
BH-10580-1420(加样头/不锈钢/#14/200mm)'); document.write('¥16
BH-10237-S6004(硅胶圈/适高真空阀0-4mm/10个/包)'); document.write('¥9.6
BH-10747-M(十字夹/双紧丝/铝喷塑/中号)'); document.write('¥7.2