【单选题】下列哪一种状态属于承载能力极限状态( )。
【单选题】下列哪一种状态属于承载能力极限状态()。
【单选题】I was shocked when I heard the bad news.
【单选题】When a pushing vessel and a vessel being pushed are rigidly connected in a composite unit, they shall be regarded as .
D.
a vessel propelled by machinery and under sail