题目内容

钢筋弯曲成型时, 弯起钢筋的弯折位置允许偏差为( )。

A. ±5mm
B. ±10mm
C. ±15mm
D. ±20mm

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条形基础底板中,在两向受力钢筋交接处的网状部位,分布钢筋与同向受力钢筋的构造搭接长度为()

A. 150mm
B. 100mm
C. 75mm
D. 50mm

Skim the first paragraph of the reading passage, and look at the subheads. How might feathers help with each function? Note your ideas and discuss them with a partner. Then check your ideas as you read the passage.

下列哪一项不是焊接性试验内容( )

A. 测定金属抗热裂纹的能力
B. 测定金属抗冷裂纹的能力
C. 测定焊接接头抗脆性断裂的能力
D. 测定焊接接头耐腐蚀性的能力

评定金属材料的工艺焊接性可分为哪两种类型?

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