[单选题]The term, (74) loop, refers to a loop that is contained within another loop.(74)A.programB.nestedC.statement,D.Network
[填空题] 环线发码设备由()、发码电路、测试环线组成。
[填空题] 环线发码设备由自动发码箱、()、测试环线组成。
[单选题]The process of loop scavenge is that the exhaust will be via ports () the air ports and controlled by the same piston.A . behindB . far fromC . adjacent toD . in front of
[单选题]loop表示中文()。A . 卷取机B . 张力C . 活套
[名词解释] 圈干NEEDLE LOOP
[填空题] 机车信号检测环线铺设的环线单股长度不大于()m.
[单选题]电容型感温环线:()。A . 当电容的某处出现短路时,将出现虚假信号B . 其存储的电荷随温度的升高而减小C . 由变压器提供交流电D . 必须提供稳定直流电