An adult giraffe’s head is about six
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关于HL-MWD仪器安装误差DAO,说法正确的是( )。 A.DAO角度为顺时针马达高边距仪器高边的角度 B.更换探管时DAO不会变化 C.更换电池组时DAO不会变化 D.更换马达时DAO不会变化 [判断题]普通纸张直接放入电子消毒柜中时间不少于30min( )
A.正确 B.错误 [判断题] 1.2.8-13 题型:1 难度:1 一致性:5
[题目] 溶液浓度是影响硅酸缩聚反应速度的最重要因素。 A.正确 B.错误 [单选题]低压电气工作,应采取措施防止误入相邻间隔、误碰()部分。
A. A.相邻带电 B.B.带电 C.C.金属 D.D.柜面 [判断题]超声波焊缝横波检测时采用液态耦合剂,说明横波可以通过液态介质薄层。
A.正确 B.错误 [单选题]下击暴流所造成的强的(),对飞行安全构成了极大的威胁。
A.暴雨 B.冰雹 C.低空风切变 D.龙卷风 [单选题]在低压用电设备上工作,需高压线路、设备配合停电时,应填用相应的( )。
A.危险点预控票 B.工作票 C.操作票 D.配电带电作业工作票 [多选题]制作样品重要的环节之一是分级,分级是在分组的基础上,根据( )进行分级
A.成熟度、叶片结构、身份、油分、色度、长度、残伤的档次 B.分级因素 C.成熟度 D.叶片结构 [多选题]动车组 检修为运用检修。
A.一级 B.二级 C.三级 D.四级 [单选题] 集装箱施封由( )负责。
A.承运人 B.托运人 C.货运员 D.发站 我来回答: 提交
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