题目内容

聚氨酯防水的常用于那个部位?

A. 客厅
B. 卧室
C. 卫生间
D. 阳台

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厨房卫生间常用聚氨酯防水,正确吗?

A. 正确
B. 错误

涂料防水闭水试验最少要进行几次?

A. 1
B. 2
C. 3
D. 4

Fill in each blanks with "have", "send", "guide" or "attend" in the word's proper form.

Fill in each blanks with "give", "last", "add" or "show" in the word's proper form.

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