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Potassium bis(trimethylsilyl)amide, 双(三甲基硅烷基)氨基钾/100mL/CAS:40949-94-8'); document.write('¥610
BH-304848(塑料接头/鲁尔接头/直通/4.8x4.8)'); document.write('¥3.36
DZ-ZFD(自封袋/黑色/20*30cm/100个)'); document.write('¥50
DZ-IP-PTFE-2(界面聚合装置/聚四氟/橡胶)'); document.write('¥180