题目内容

人工攻丝的基本步骤是钻底孔,锪倒角,头锥攻丝,二维攻丝及()。

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一般建筑玻璃和单层窗玻璃构件的试样,可采用不同材质玻璃的切片。

A. 正确
B. 错误

The maximum number of routers per OSPF area typically depends on which three factors?()

A. the kind of OSPF areas being implemented
B. the number of external LSAs in the network
C. the number of DRs and BDRs in the areas
D. the number of virtual links in the areas
E. how well the areas can be summarized
F. the use of LSA filter

防水混凝土施工应连续一次浇筑完成,宜少留施工缝,拱圈、仰拱、底板不得留()

虚假客服电话、虚假退票电话类信息充斥着整个互联网,网民稍不留神,就会上当受骗。我们对此束手无策。

A. 正确
B. 错误

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