The diimine chelate initiators are characterized by having a diimine chelating ancillary ligand structure.
二亚胺螯合引发剂的特征在于具有二亚胺螯合辅助配体结构。
By contrast, foreign freeze drying equipment specifications than domestic, ancillary equipment, energy-saving structure is fine, continuous freeze drying equipment production.
相比之下，国外冻干设备的品种规格比国内多，配套设备齐全，节能型结构比较精致，连续式冻干设备生产量大。
By contrast, foreign freeze drying equipment specifications than domestic, ancillary equipment, energy-saving structure is fine, continuous freeze drying equipment production.
相比之下，国外冻干设备的品种规格比国内多，配套设备齐全，节能型结构比较精致，连续式冻干设备生产量大。
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