一次砌碹筑墙高不得超过,超出部分应待灰浆初凝后再砌碹()
A: 1 m.
B: 2 m.
C: 3 m.
D: 4 m
A: 1 m.
B: 2 m.
C: 3 m.
D: 4 m
举一反三
- 砌料石墙,一次砌筑墙高不得超过()m,超出部分应待灰浆初凝以后再砌。 A: 1 B: 2 C: 3
- A.At 1 p. m. tomorrow.B.At 2 p. m. today.C.At 3 p. m. tomorrow.D.At 4 p. m. today. A: At 1 p. m. tomorrow. B: At 2 p. m. today. C: At 3 p. m. tomorrow. D: At 4 p. m. today.
- 压力系数>1时,对应压力梯度为() A: <0.01Mpa/m; B: 0.01Mpa/m—0.0237Mpa/m; C: >0.0231Mpa/m.
- 设A为m×n矩阵,B为n×m矩阵,若AB=E,则( ) A: r(A)=m,r(B)=m. B: r(A)=m,r(B)=n. C: r(A)=n,r(B)=m. D: r(A)=n,r(B)=n.
- ---Are you Wang Li ?---_________________ A: Yes,I'm. B: No,I'm not. C: Yes,I'm not.