水泵按其作用原理分,不包括()。 ["A、渣浆泵","B、离心式水泵","C、无驱动装臵水泵","D、活塞式水泵"]
骨与关节结核最常见的发病部位是() ["脊柱","髋部","肩部","膝部","肘部"]
图示力F在铅直面OABC内,并沿AC方向,则力F对x、y、z轴的矩应为()。 ; ["
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膝关节化脓性关节炎患者体检时最可能发现的阳性体征是() ["拾物试验阳性","浮髌试验阳性",""4"字试验阳性","托马斯试验阳性","脊柱过伸试验阳性"]
畜牧兽医执法机构工作人员的过错责任,由()承担 ["相关工作人员的直接领导","畜牧兽医执法机构","相关责任人员和畜牧兽医执法机构","直接负责的主管人员和直接责任人员"]
当工地昼夜平均气温连续3d低于()或最低气温低于-3℃时,应采取冬期施工措施。