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B、塑化剂的强抑菌作用
C、固化后不能填塞根管
D、根管内残存内容无害化
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A、有机高分子树脂
B、稀释剂
C、引发剂
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E、辅助剂
Can you imagine ____________the Taiwan HEDP(塑化剂) event will affect our life —I’m not sure. Many people have begunto have water instead of drinks. how much D A:how far
B:how many
C:how often
D:how much
B:how many
C:how often
D:how much