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某大(2)型水库枢纽工程，总库容为5.84*108m3，水库枢纽主要由主坝、副坝、溢洪道、电站及输水洞组成。输水洞位于主坝右岸山体内，长275.0m，洞径4.0m，设计输水流量为34.5m3/s。该枢纽工程在施工过程中发生如下事件： 事件1：主坝帷幕由三排灌浆组成，分别为上游排、中间排、下游排，各排均按二序进行灌浆施工;主坝帷幕后布置排水和扬压力观测。施工单位计划安排排水和扬压力观测与帷幕灌浆同期施工。 事件2：输水洞布置在主坝防渗范围之内，洞内采用现浇混凝土衬砌，衬砌厚度为0.5m。根据设计方案，输水洞采取了帷幕灌浆、固结灌浆和回填灌浆的综合措施。 事件3：输水洞开挖采用爆破法施工，施工分甲、从输水洞两端相。当两个开挖工作面相距25m，爆破时，甲组在进行出渣作业：当两个开挖工作面相距10m，甲组爆破时，导致正在作业的3名工人死亡。事故发生后，现场有关人员立即向本单位负责人进行了电话报告。 问题： 1.帷幕灌浆施工的原则是什么?指出事件1主坝三排帷幕灌浆施工的先后顺序。 2.指出事件1中施工安排的不妥之处，并说明正确做法。 3.指出事件2中帷幕灌浆、固结灌浆和回填灌浆施工的先后顺序。回填灌浆在衬砌混凝土强度达到设计强度的多少后进行? 4.指出事件3中施工方法的不妥之处，并说明正确做法。 5.根据《水利安全生产信息报告和处置规则》([2016]20号)事件**施工单位负责人在接到事故电话报告后，长时间内向哪些单位(部门)**话报告?
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The steel industry still has a bright prospect on a global scene.
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Steel consumption in the world registered a drastic cut.
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Steel makers are drastically cutting down their production.
D.
Better promotion is needed for improving sales of steel products.
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A.
The steel industry still has a bright prospect on a global scene.
B.
Steel consumption in the word registered a drastic cut.
C.
Steel makers are drastically cutting down their production.
D.
Better promotion is needed for improving sales of steel products.
查看完整题目与答案
相关题目：
【单选题】听力原文：The global steel industry is in a mess. Overcapacity and weak demand have hurt producers. In 2002, 847 million tons of steel was produced, but consumption was only 765 million tons. Steel makers ...
A.
The steel industry still has a bright prospect on a global scene.
B.
Steel consumption in the world registered a drastic cut.
C.
Steel makers are drastically cutting down their production.
D.
Better promotion is needed for improving sales of steel products.
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【判断题】我国红碎茶现行标准中，红碎茶分碎茶、片茶、末茶三个花色。
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法律义务源于现实需要
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【单选题】At prices (4; 12); Harry chooses the bundle (9; 4). At the prices (8; 4); Harry chooses the bundle (2; 9). Is this behavior consistent with the weak axiom of revealed preference?
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Yes
B.
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t depends on his income
D.
We would have to observe a third choice to be able to say.
查看完整题目与答案
【单选题】烤箱按外形可分为柜式烤箱和（）。
A.
煤气烤箱
B.
转动式烤箱
C.
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【单选题】下述哪一机械的工作原理是逆卡诺循环的应用
A.
蒸汽机
B.
热机
C.
锅炉
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制冷装置
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【单选题】听力原文：The global steel industry is in a mess. Overcapacity and weak demand have hurt producers. In 2002, 847 million tons of steel was produced, but consumption was only 765 million tons. Steel makers ...
A.
The steel industry still has a bright prospect on a global scene.
B.
Steel consumption in the word registered a drastic cut.
C.
Steel makers are drastically cutting down their production.
D.
Better promotion is needed for improving sales of steel products.
查看完整题目与答案