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【多选题】
塑性是指金属材料在外力作用下产生塑性变形的能力，表示金属材料塑性性能有（）等。A.
伸长率
B.
断面收缩率
C.
冷弯角
D.
抗拉强度
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举一反三
【单选题】The buyer complained that the goods were ( ) before shipment.
A.
damaged
B.
good
C.
well
D.
manufactured
【单选题】The buyer complained、 that the goods were ( ) before shipment.
A.
damage
B.
good
C.
well
D.
manufactured
【简答题】The covering L/C must reach the sellers 30 days before shipment.
【简答题】影响调节系统动态特性的主要因素有（）、（）、速度变动率、油动机时间常数。
【简答题】________ requires that the buyer pays the seller before shipment of the goods ordered.
【单选题】the buyer complaineD、that the goods were （ ）before shipment.
A.
damaged、
B.
good
C.
well
D.
manufactured
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