【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号或名称。
【判断题】脲醛树脂的缩写是FU,最常用的固化剂为强酸的铵盐。
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号。
【判断题】Houses
and buildings in the United States use a lot of energy.
【单选题】_____, more than 200 houses and buildings are heated by solar energy.
A.
In the small alone town
B.
In the small town alone
C.
Alone in the small town
D.
In the alone small town
【单选题】______, more than 200 houses and buildings are heated by solar energy, not to mention the big cities in the region.
A.
Alone in the small town
B.
In the small alone town
C.
In the small town alone
D.
In the alone small town
【单选题】图样中的尺寸以 为单位时,不必标注计量单位的符号或名称。
【单选题】A lot of houses and buildings ____ in the earthquake which took place early this month.
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号或名称,如果用其他单位时,则必须注明相应的单位符号。
【简答题】In the U.S., houses and buildings use ___ % of all energy.