放顶煤操作工艺中,要求放煤出现大块时,要用插板挤碎,低位放顶煤必须注意不得将尾梁、插板伸到正在运行的后部输送机上,以防卡坏()。
参考答案:后部输送机
下列工作中( )都属于管理信息系统实施阶段的内容。
A.模块划分、程序设计、人员培训B.可行性分析、系统评价、系统转换C.选择计算机设备、输出设计、程序调试D.程序设计、设备购买、数据准备与录入
Washington: The Bush administration has ________for the first time that it may be willing to ________a multinational force in Iraq to operate under the ________of the United Nations as long as ________by an American. The idea was described by Richard L. Armitage, the deputy secretary of state, as just "________" in discussions at the United Nations. It was first ________publicly last week by Kofi Annan, the United Nations’’ secretary general.Mr. Armitage’’s remarks, made ________to regional reporters and released by ________today, represent ________in course for the administration, which has until now insisted that all ________matters in Iraq remain under total American control. Allowing the United Nations ________would be intended to win the support of the Security Council for ________authorizing the ________ occupation of the country.In his remarks, Mr. Armitage ________to discuss the plans________, saying, "I don’’t think it helps to ________publicly right now." But he described the arrangement under consideration as "a multinational force________" in which "the American would be the U.N. commander."On Monday, Defense Secretary Donald H. Rumsfeld was asked whether he could ________American troops fighting_______. His answer: "I think that’’s not going to happen." But he went on to rule out only "________" meaning by the United Nations, whose troops wear blue helmets over a peacekeeping force in Iraq.