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【简答题】
局部阻力所引起的能量损失有两种计算方法:____法和____法。
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反馈参考答案：
举一反三
【单选题】I’d appreciate it if you could tell me how ______ the machine。
A.
Operate
B.
to operate
C.
Operating
D.
Operated
【单选题】I’d appreciate it if you could tell me how the machine,
A.
operate
B.
operating
C.
to operate
D.
operated
【单选题】I’d appreciate it if you could tell me how the machine,
A.
operate
B.
to operate
C.
operating
D.
operated
【简答题】×年×月×日14时7分，某市煤气公司液化气站的102号400m3液化石油气球罐发生破裂，大量液化石油气喷出，顺风向北扩散，遇明火发生燃烧，引起球罐爆炸。由于该球罐爆炸燃烧，大火烧了19个小时，致使5个400m3的球罐、4个450m3的卧罐和8000多只液化石油气瓶（其中空瓶3000多只）爆炸或烧毁，罐区相邻的厂房、建筑物、机动车及设备等被烧毁或受到不同程度的损坏，直接经济损失约627万元，死36人...
【单选题】I’d appreciate it if you could tell me how _____ the machine.
A.
operate
B.
to operate
C.
operating
【简答题】I’d appreciate it if you could arrange a visit to the Forbidden City for me.
【单选题】I’d appreciate it if you could me in accomplishing the great task. [ ]
A.
support
B.
offer
C.
assist
D.
help
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