常用的排水管道方法有竹劈疏通法、高压疏通法和水力清通法。
参考答案:错
—I do every single bit of housework at home ______ my husband just washes the dishes at times.
—It is the same in my family. [ ]
A. if
B. while
C. however
D. as
园路结构设计应做到薄面、强基和稳基土,同时还要考虑()。