【多选题】依据河北省消耗量定额(上册HEBGYD-A-2012)关于混凝土梁工程量计算的规定:梁按图示断面尺寸乘以梁长以“m”计算。各种梁的长度计算规定正确的是( )。
C.
伸入墙内的梁头或梁垫的体积不计入梁的体积内计算;
D.
圈梁通过门窗洞口时,可按门窗洞口宽度两端各加 50cm 其他按过梁项目计算;
E.
叠合梁应按设计图示的二次浇注部分的实体积计算。
【单选题】What is mentioned as one of the problems associated with the American ?
A.
People can easily fight with each other.
B.
Conflicts with others become inevitable.
C.
Americans are too concerned about their status.
D.
One's can conflict with others' rights.
【单选题】What is mentioned as being one of the probable reason for preserving traditional life?
B.
A specialized life style.
C.
The growth of industrialism.
D.
Geographical isolation.
【单选题】刀具材料允许的切削速度的高低取决于其( )的高低
【单选题】刀具材料允许的切削速度的高低取决于其( )高低。