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【简答题】

A: That’s good. The boxes are beautiful. Then how about the injections( 针剂 )? They are fragile goods ( 易碎物品 ), you know. B: Yes, so we are very careful of its 1______________( 包装 ). They are to be packed in _2_ _________ _________( 塑料瓶 )or glass bottles. 10 bottles are put into a box and 100 boxes to _3 _ ________ ____________( 一个纸箱 ). Each carton is lined with foam plastics ( 泡沫塑料 ), so as to pr in the injections from damage because of press( 因为挤压 ). A: You’re very thoughtful. B: Well, is there anything else you want to suggest? A: No. We’re quite 4_______________ _____________( 满意 )your work. Thank you. B: You are welcome.

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刷刷题刷刷变学霸
举一反三

【多选题】塑料通常有如下()特性。

A.
密度小,比强度高
B.
具有优异的导电性能
C.
有良好的耐腐蚀性
D.
对酸、碱及有机溶剂等具有良好的耐腐蚀性能
E.
强度低,耐热性差,膨胀系数大,蠕变量大,易老化