有一砂浆用水泥、石灰、沙按1:2:4配比配合而成,这个砂浆叫()
A、水泥砂浆
B、混合砂浆
C、石灰砂浆
D、勾缝砂浆
参考答案:C
--- I beg your pardon, but I didn’t quite catch you.
--- Oh, I ______ myself.
A.am talking to
B.talked about
C.have talked to
D.was talking to
经计算不需配筋的灌注桩,其桩身可按构造配筋。