单项选择题
A.下架柱子 B.室内标枋 C.橼望 D.斗拱
A.碱性大红 B.酸性大红 C.中性大红 D.苏木水
A.50%+/-5% B.60%+/-5% C.70%+/-5% D.80%+/-5%
A.0.2%~0.5% B.0.4%~0.8% C.0.5%~1% D.0.8%~1.2%
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