不属于L-O-R三通塞柄的作用的是（） ["支撑作用","防止卡球","恢复管线原貌","密封"]
绕线式三相异步电动机，转子串合适电阻起动时（）。 ["起动转矩增大，起动电流增大","起动转矩减小，起动电流增大","起动转矩增大，起动电流不变","起动转矩增大，起动电流减小"]
施工单位应对招标文件中规定的重要部位的工艺及外观质量（），经监理审批同意，在次要部位进行试验后方可进行重要部位的施工。 ["A.制订专题施工措施 ","B.组织专家调研方案 ","C.制定施工工法 ","D.进行科学研究"]
A customer has a requirement for a single AIX LPAR to be highly available. The customer only has enough funding to purchase a single system. Which would be the most critical option to mitigate AIX availability？（） ["Dual power supplies.","Twice the amount of disk.","Two dual-port LHEA adapters.","Two dual-port fibre channel adapters."]
（）授权监理单位按照合向的安全工作内容监督检查承包人安全工作的实施，组织施工单位和有关单位进行安全检查。 ["监理单位","建设单位","施工单位","招标公司"]
肥料成分和施肥量：
