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【单选题】
场景 某钢厂的自动化仪表安装工程由某机电公司承建。施工方案编制后，送总工程师审核批准。总工程师发现仪表调校室环境、设备零部件的安装以及某些工段的施工程序安排尚有缺陷，气体压力表取源部件安装作业指导书图示部分有错误，仪表线路与仪表管道的安装都与要求不符，于是要求修改后再签字确认批准。 根据场景，回答下列问题。 温度取源部件在管道的拐弯处安装时，宜逆着物料流向，取源部件轴线应与管道轴线( )。A.
相垂直
B.
相重合
C.
相交叉
D.
相平行
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【简答题】求曲线 在点 的切线方程和法线方程。
【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
she protests against military action.
B.
she maneuvers to show its forces.
C.
she intends to defend its country.
D.
she makes another concession.
【简答题】E Babies are not just passing idle time when they stare goggle-eyed at the television—they are actually learning about the world, U.S. researchers said. Parents may want t limit what their babies see ...
【简答题】The 'Occupy Wall Street' movement gained more support on Wednesday as unions and students joined in. With the protests developing from a group of young people's camping out near the New York Stock Exc...
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