单项选择题
吸附柱的分析段的内径为(),且必须均匀。
A.1.10mm~1.15mm
B.1.20mm~1.25mm
C.1.50mm~1.55mm
D.1.60mm~1.65mm
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单项选择题
A.1.10mm~1.15mm
B.1.20mm~1.25mm
C.1.50mm~1.55mm
D.1.60mm~1.65mm
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