单项选择题

抵抗弯矩图反映的是受弯构件各个截面实际能够承担的弯矩连线。（ ）

A．对
B．错
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Launch schedule 24 5 - Press conferencE.31 5 - TV advertising starts. Distribute posters. 7 6 - Deliver leaflets. Radio advertising starts. 14 6 - Free competition starts on the radio. How many written forms of publicity are there?C.four
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