单选题
发布日期:2021-03-22
prevent the gear box from leaking
prevent the oil from becoming inflammable
make sure it has not become contaminated
make sure the motor bearings are lubricated
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此试题出现在
学校属于事业单位法人。
菲利普斯曲线描述的是()。
下列疾病与日光照射有关的是()
正中神经损伤后()
干化学法测定球蛋白的敏感性为清蛋白的( )。
胃体垂直部的CT断面呈圆形,与下列哪些结构毗邻()。
移植肾发生急性排异时最明显的征象是()。
诱导运动
某市政道路改造工程,与道路同时施工的综合管线有0.4MPA.的D.N600中压燃气管和D.N1400的上水管,并排铺设在辅路之下,上述燃气和上水管均为钢管,并合槽施工。设计两管中心距为2m。在审查燃气管线纵断设计时,发现燃气管道的高程分别与一道过街污水管和一道过街直埋电缆相撞。经与设计洽商,燃气管线调整高程,从污水管上穿过,从电缆下穿过,致使从电缆下穿过的部位为本工程中高程最低点 燃气管线在与污水管线相撞上调高程后,应保证燃气管顶距路面的最小间距和两管垂直间距各不得小于()。
持票人开户行收到付款人开户行划回款项或退回的未付票款通知书或拒绝付款证明和汇票时,审查以下内容()、().
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