单选题在水尺标志中,其数字高度和两数字间距()。A公制为10cm,英制为3inB公制为10cm,英制为6inC公制为5cm,英制为3inD公制为5cm,英制为6in
单选题
在水尺标志中,其数字高度和两数字间距()。
A
公制为10cm,英制为3in
B
公制为10cm,英制为6in
C
公制为5cm,英制为3in
D
公制为5cm,英制为6in
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