Answer: Agree to change the cement floor to quadrel.
答:同意将水泥地面改为方砖。
Under the condition of artificial feeding, effect of using cement quadrel to collect eggs was good.
在人工饲养条件下,利用水泥方砖采卵效果良好。
The top of circumvallation was paved by quadrel , which looks like a wild street, five to six horses can be ridden abreast along it.
城墙顶上铺着方砖,十分平整,像很宽的马路,五六匹马可以并行。
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