【简答题】某桥梁采用钢筋混凝土灌注桩基础,共计208根直径1000mm的钻孔灌注桩,端承桩,采用反循环钻机成孔。A公司项目经理部针对钻孔桩数量多,工期紧,经招标程序将钻孔作业分项工程分包给B机械施工公司,由B公司负责组织钻孔机械进行钻孔作业。施工过程中发生如下事件:
(1)灌注混凝土时堵管;
(2)B公司技术负责人制作了一根固定长度的测绳,经测定达到预计深度后即开始灌注;
水下灌注混凝土有哪些安全控制要...
【单选题】小明今年 10 岁,他比爷爷小 52 岁, 5 年前爷爷比小明大 ( ) 岁 . prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】Questions 13 to 15 are based on the conversation you have just heard.
A.
They had to stay in Denver for two days.
B.
They missed seeing the Grand Canyon.
C.
They started out on the wrong highway.
D.
They almost didnt see Indian Falls.
【简答题】点击量,是广告一段时间内被网民所 的次数
【简答题】Conversation Two Questions 12 to 15 are based on the conversation you have just heard. 12. A. Open. B. Friendly. C. Selfish. D. Reserved. 13. A. They stay quiet. B. They read a book. C. They talk abou...
【多选题】“深蓝”色最能体现高加林( )的性格和气质。
【判断题】GIF格式的图象最多可以显示256种颜色。()
【简答题】Questions 12 to 15 are based on the conversation you have just heard. 12. A. Open. B. Friendly. C. Selfish. D. Reserved. 13. A. They stay quiet. B. They read a book. C. They talk about the weather. D....
【单选题】They have to ______ a limit to the expense of the trip.
【多选题】如何选择物流服务商? ()
A.
找快递公司:拨打对应的400或者800服务电话;
B.
找货代公司:可以自己线下找货代,或者到速卖通论坛的物流供求版块中查询;
D.
卖家在发货前也要对国际快递运输进行一定了解,比如原则上液体,粉末等这些是不接受的;因为国际快递的运输过程比较长,易碎物品需要加固包装!含有电池的货物最好带有MSDS证明书。