【单选题】某直梁横截面面积一定,试问下图所示的四种截面形状中,哪一种抗弯能力最强( )
【单选题】Shipment on June 20, 2002, banks will interpret as a stipulation that latest shipment date is( ).
【单选题】某直梁横截面积一定,试问下图所示的四种截面形状中,哪一种抗弯能力最强( )。
【单选题】What is the _________ for this? Is it the 7th or the 8th of November? (due date)
【单选题】某直梁横截面面积一定,试问下图所示的四种截面形状中,抗弯能力最强的是 。
【单选题】某直梁横截面面积一定,试问下图所示的四种截面形状中,那一种抗弯能力最强( )。
【单选题】以下描述RS232的电气特性正确的是( )。
A.
“1”:-3~-15V,“0”:+3~+15V
【单选题】What is the date of this Sunday?