A wildcat is a（）. ["deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain","winch that is running out of control due to a failure of the overspeed trips","line that has jumped off the gypsyhead while under strain","nylon line that parts under strain and whips back in a hazardous manner"]
下列关于国债业务表述不正确的是（） ["国债收款单收据联与存根联必须一致","无记名国债实物券清理、销毁必须及时、准确、完整销记表外科目分户账","已兑付国家债券上缴清单与上划报告表本金必须一致","商业银行上缴无记名国债时，应按照先划款，后缴券的原则办理"]
检修工作如不能按计划工期完工，必须由（）办理工作延期手续。 ["工作签发人","工作许可人","工作负责人","工作组成员"]
以下为项目合同的终止的原因，哪一项是错误的？（） ["A.因履行页终止","B.当事人双方混同为一人而终止","C.随意终止","D.不可抗力终止"]
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）. ["blind flange","pivot coupling","quick-release coupling","spectacle flange"]
对停电设备的哪些部位应装设接地线？
