题目内容
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[单选题]
双喷嘴喷码机READYHEAD1，HEAD2恒亮表示意思是（)。
A.表示该喷头未启动或已关闭
B.表示该喷头已启动但未准备就绪或有故障
C.表示该喷头准备就绪，可以喷印
D.表示该喷码机已关闭
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.表示该喷头未启动或已关闭
B.表示该喷头已启动但未准备就绪或有故障
C.表示该喷头准备就绪，可以喷印
D.表示该喷码机已关闭
如果结果不匹配，请 联系老师 获取答案
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