题目内容：
功能项目号123VU代表哪一块面板？（）A．电源面板（ELEC.
B．维护面板
C．前服务面板
D．跳开关面板
参考答案：
单选：功能项目号123VU代表哪一块面板？（）A．电源面板（ELEC.B．维护面板C．前服务面板D．跳开关面板
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- 题目类型：单选
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A．电源面板（ELEC.
B．维护面板
C．前服务面板
D．跳开关面板
A．电源面板（ELEC.
B．维护面板
C．前服务面板
D．跳开关面板
Man can not go on increasing his number at the present rate. In the （ 1 ） 30 ...
Man can not go on increasing his number at the present rate. In the （ 1 ） 30 ...
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下列关于胃壁结构的描述正确的是（）A．分3层B．幽门瓣为纵行皱襞C．外膜为浆膜D．肌层分为内环、外纵2层E．幽门瓣突向胃
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