下列选项中,()只能由当事人自己行使,而不能由人民法院或仲裁机构主动适用。
A.不安抗辩权
B.先履行抗辩权
C.同时履行抗辩权
D.先诉抗辩权
参考答案:C
探伤车轮探头内部连接线有法兰侧D接()换能器。
A、0°
B、45°
C、中心70°
D、侧打
Since rail network is not as extensive as highway network in most countries and its limitation to fixed track facilities, as a result, railroads provide () service.
A.Door to door
B.Door to cy
C.Door to cfs
D.Terminal to terminal