A大于13.2mm
B小于13.2mm
C大于9.5mm
D小于9.5mm
A5%~30%
B10%~30%
C15%~30%
D20%~30%
ANa2C03
BHCL
CH2S04
DHF
ENaoH
A蒸馏水
B纯净水
C甘油
D盐水
A330
B360
C450
D550
A升高
B保持不变
C降低
D前面三种情况可能都有
A40mmx40mmx160mm
B40mmx40mmx180mm
C50mmx50mmx160mm
D50mmx50mmx180mm
ASBG-20B
BSBG-41B
CSBG-41×20B
DSBG-20×41B
A0.050,0.045
B0.045,0.050
C0.035,0.045
D0.045,0.035
A5000
B10000
C20000
D50000
A45℃
B45±5℃
C40℃
D40±5℃
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