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[单选题]
水利水电工程钢闸门除锈后,钢材表面应尽快涂装底漆,在潮湿天气应在()内涂装完毕;如在晴天和较好的天气条件下,最长也不应超过12h。
A.10h
B.8h
C.6h
D.4h
查看答案
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A.10h
B.8h
C.6h
D.4h
A.0.5mm
B.1.0mm
C.1.5mm
D.2.0mm
A.30μm~60μm
B.40μm~80μm
C.50μm~80μm
D.60μm~90μm
A.Sa1.0
B.Sa2.0
C.Sa2.5
D.Sa3.0
A.Sa2
B.Sa2½
C.St2
D.St3