压浆过程及压浆后对温度有何要求?
参考答案:压浆过程中及压浆后48h内,结构混凝土的温度不得低于5°C,否则应采取保温措施。当气温高于35°C时,压浆宜在夜间进行。
The previous lecture focused on the reading problems in new words, while this lecture will turn to _____ in
complex sentence structures. [ ]
A. that
B. one
C. those
D. ones