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[单选题]
钢梁涂装后,漆膜应无剥落裂纹,面层涂料的附着力不小于()。
A.1MPa
B.2MPa
C.3MPa
D.4MPa
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A.1MPa
B.2MPa
C.3MPa
D.4MPa
第7题
A.失光→粉化、臌泡、裂纹→变色→剥落→锈蚀
B.变色→失光→粉化、膨泡、裂纹→剥落→锈蚀
C.失光→变色→粉化、臌泡、裂纹→剥落→锈蚀
D.变色→粉化、臌泡、裂纹→失光→剥落→锈蚀
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