试题与答案

混凝土浇筑应连续进行,为保证桩的质量,应在桩顶留有桩头,桩头高一般为 ( )。A.

题型:单项选择题

题目:

混凝土浇筑应连续进行,为保证桩的质量,应在桩顶留有桩头,桩头高一般为 ( )。

A.0.5~0.8m

B.0.5~1.0m

C.0.8~1.2m

D.1.0~1.2m

答案:

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参考答案:C解析: 计算机硬件能够直接识别和执行的语言只有机器语言。C语言和汇编语言(又叫符号语言)都比机器语言高级,可大大提高编写程序的效率,但必须先把语言的源程序由符号语言编译成机器语言,然后才能...

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