When anaerobic bacteria convert the sewage to an inert sludge,()
A、no oxygen is needed
B、oxygen is necessary
C、oxygen is given off
D、no gas is produced
A、no oxygen is needed
B、oxygen is necessary
C、oxygen is given off
D、no gas is produced
A、A.aeration tanks B、B.settling tanks C、C.disinfection agent D、D.anaerobic bacteria
A、when anchoring in the Mediterranean B、when docking stern to a berth C、when docking bow to a berth D、when anchoring in a strong current
A、when anchoring in the Mediterranean B、when docking stern to a berth C、when docking bow to a berth D、when anchoring in a strong current
A、when the order is placed B、when the product is shipped C、when the product is delivered D、when the product is installed
A、A. when installing SSD drives B、B. when adding a new workload C、C. when installing SATA drives D、D. when adding more Linux hosts