下列哪项不属于可用于抵偿债务的资产()
A. 伪劣、变质、残损或储存、保管期限很短的资产
B. 提单、仓单、股票和可转让债券等
C. 原材料和产成品
D. 价值稳定的生产设备和办公设备
A Class C EPIRB().
A. is primarily designed for vessels operating up to 50 miles offshore or on foreign waters
B. transmits a signal that can be detected by satellite
C. must be manually activated
D. operates in the medium and low frequency band
()是PLC的核心部件,它协调和指挥PLC的整个工作过程。
A. 软件
B. 存贮器
C. I/O单元
D. CPU