题目:
对烟包缝包口时,应针脚均匀,小空两针,大空三针,包角四针,保证不漏烟。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:[听力原文] 26-30 The mushy remains of a tomato thrown at a prominent member of Chancellor Gerhard Schroeder’s Social Democrats has posed a legal dilemma...