小偏心矩形非对称配筋截面,求受压钢筋和受拉钢筋截面面积,需要补充的条件是( )
A. ξ=ξb
B. 受拉钢筋按照最小配筋率设置
C. 受压钢筋按照最小配筋率设置
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矩形对称配筋截面是指( )
A. 受拉钢筋和受压钢筋设计强度一样
B. 受拉钢筋和受压钢筋截面面积相等,且受拉钢筋和受压钢筋设计强度一样
C. 受拉钢筋和受压钢筋在矩形截面对称布置
以下属于科学用声的方法的是( )。
A. 低调门
B. 强喷弹
C. 设气口儿
D. 摊气息
In accordance_____ the terms_____ payment in the contract, please open an irrevocable L/C_____ our favor.
A. with , of,in
B. of,with,in
C. in,with,of
D. with,of,by
It is a usual practice that the L/C is to be established and to reach the seller _____ prior to the date of shipment.
A. one day
B. one week
C. one month
D. one year