并列和解列操作有何基本要求？
扣款业务加急标识有（）。 ["普通","加急","特急","紧急"]
下列哪些部门的公安机关消防机构负责调查其消防监督范围内发生的火灾。（） ["铁路","交通","民航","军队"]
小额定期借记来账处理超期未回执后，将所有未扣款的业务状态标定为（）。 ["已拒付","已逾期","已拒绝","交易失败"]
If a diesel engine turned over freely but failed to start, the cause could be （） ["water in the fuel","cold lube oil","excessive starting air pressure","excessive fuel pressure"]
备用中的变压器有何规定？
