【单选题】图示基础梁,关于集中标注受扭钢筋连接说法正确的是( )
A.
受扭钢筋若长度超过定尺长度,采用搭接时,搭接长度为 15d
B.
受扭钢筋若长度超过定尺长度,采用搭接时,搭接长度为 Ll
C.
受扭钢筋若长度超过定尺长度,采用搭接时,搭接长度为 150mm
D.
受扭钢筋若长度超过定尺长度,采用搭接时,搭接长度为 1.3Ll
【单选题】在蜗杆传动中,轮齿承载能力计算,主要是针对______进行的。
【单选题】在蜗杆传动中,轮齿承载能力的计算主要是针对 来进行的。
【简答题】If I were a boy again, I would __1__ courage. “Nothing is so mild and __2__ as courage, nothing so cruel and pitiless as cowardice,” says a wise writer. Life is full of __3__, but courage will often _...
【单选题】患者李某,62岁,有慢性胃溃疡史。近日感到胃部疼痛,发现大便颜色发黑,医生准备为患者做潜血试验检查,护士应指导患者禁食下列哪种食物( )
【单选题】李某,62岁,有慢性胃溃疡史。 近日感到胃部疼痛,发现大便颜色发黑,医生准备为患者做潜血试验检查,护士应指导患者禁食下列哪种食物( )[单选题]
【简答题】Life is full of ____________. We should be strong enough to face up to them.
【简答题】Life is full of _____.We should be strong enough to face up to them. 生活充满了挑战。我们应该足够坚强去面对他们。