二次回路及继电保护自动装置的巡视检查项目有哪些？
（）can be used to prevent hydraulic system overloaded or keep the pressure of oil outlet from pump constant. ["Overflow valve","Reducing valve","Balancing valve","Reducing valve or balancing valve"]
走访营销客户、搜集客户信息目标区域不包括（） ["市场","写字楼","社区","军事禁区"]
On a ship，the possibility of a blowout makes which type of diesel engine shutdown desirable?（） ["Overspeed trip","Air inlet shut-off valve","Water injector","Fuel cutoff valve"]
当运钞车交接款箱遇有歹徒抢劫时，以下做法错误的是（）。 ["加速装卸接送款箱","选择最短距离，迅速将款箱转移到车上，关闭保险箱和车门或转移到营业室通勤门内","驾驶员应保持车辆处于启动状态，随时准备驶离现场","押运人员应采取强有力手段制止犯罪；驾驶员和营业场所工作人员应迅速报警"]
机械插秧前调适水层，格田水层调整到（）左右，田面呈（）状态。
