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Terms for subject Chemistry containing Bs | all forms
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amphoteric surfactant BS-12两性表面活性剂 BS-12
black liquid sulfonate BS-33胶磷矿脉石抑制剂 BS-33
boiler scale inhibitor BS-1锅炉阻垢剂 BS-1
Direct Scarlet 4BS直接耐酸大红 4BS
Pigment Phthalocyanine Blue BS颜料酞菁蓝 BS