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教材课后第7题,有一机加工车间由车、钻、磨和抛光4个工段组成,各工段的距离从至表(以中心量度),如下表所示,该车间主要加工P1, P2, P3, P4这4种产品、其工艺路线和每周产量如表所示,假设各产品的加工批量均为25件,在前面的练习中我们已经计算了物流强度和物流成本从至表,并据此评价了现有布置,发现了问题。现在要对四个工段的布置进行重新设计。已知车间厂房大小为18x24m,A、B、C、D四个工段的尺寸要求分别为12x4, 4x8, 12x14, 12x8, 请确定四个工段的相对位置并画出块状布置图。
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【单选题】在第一肝门区出入的管道结构是:( )1门静脉;2肝固有动脉;3胆总管;4肝静脉
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【单选题】The power supplied by the controlled source is:
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-8W
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【简答题】三、 Translation (每题 5分,共25分) Directions: Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on ANSWER SHEET. Within th...
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【单选题】In the circuit, the power supplied by the voltage source is 12 W,then the resistance R is:
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2Ω
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【单选题】The power supplied by the elements in the circuit is 1 W, and the voltage is ( ).
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50 V
B.
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【单选题】The tide of emigration in the 17th century refers to
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【单选题】In the circuit, given that 、 , the power supplied by the element is:
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12W
B.
-12W
C.
-1W
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【单选题】在第一肝门区出入的管道结构是:( )1门静脉;2肝固有动脉;3胆总管;4肝静脉
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【单选题】在第一肝门区出入的管道结构是: 1 门静脉;2 肝固有动脉;3胆总管;4 肝静脉 A、123 B、13 C、24 D、4 E、1234
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【单选题】The power supplied by 4V voltage source is:
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【单选题】The power supplied by the controlled source is:
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-8W
B.
8W
C.
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D.
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【简答题】三、 Translation (每题 5分,共25分) Directions: Read the following text carefully and then translate the underlined segments into Chinese. Your translation should be written clearly on ANSWER SHEET. Within th...
查看完整题目与答案
【单选题】In the circuit, the power supplied by the voltage source is 12 W,then the resistance R is:
A.
2Ω
B.
6Ω
C.
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D.
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【单选题】The power supplied by the elements in the circuit is 1 W, and the voltage is ( ).
A.
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B.
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C.
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【单选题】The tide of emigration in the 17th century refers to
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the exploration of new lands by sea
B.
people moving from Europe to America
C.
trade exchanges between Asia and Europe
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export of slaves to America
查看完整题目与答案