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发布日期:2022-07-16
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定水头渗透试验中,已知渗透仪直径D=75mm,在L=200mm渗流直径上的水头损失h=83mm,在60s时间内的渗水量Q=71.6cm 2,求土的渗透系数。(计算题)
拼装式架桥机架梁前应进行静、动载试验和试运转,静载试验的荷载为额定起重量的()倍,动载试验的荷载为额定起重量的()倍。用液压爬升(下降)梁体时,爬升杆应同步,其高差不得大于()。
第五套人民币部分假币伪造无色荧光纤维的方法包括印刷、()和抄造等。
CS代表的模式是()。
培土路肩的施工流程正确的是()。
从全社会来讲,家庭消费掉的产品价值永远比生产出来的价值大。
执行计划的条件和执行时应注意的问题有哪些?
统计人员恪守的职业道德是( )。[2011、2005年初级真题]
急性肺脓肿的治疗效果取决于()
生产观念的营销手段是()
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