单项选择题
A.10%~20%B.10%~30%C.30%~40%D.40%~60%
A.1~3MPaB.3~4MPaC.4~6MPaD.0.3~0.4MPa
A.0.1~0.3mmB.0.2~0.5mmC.0.5~1mmD.0.6~0.9mm
A.黏合力B.压缩力C.吸附性D.摩擦力
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