It is well known that good lubrication will () the bearings from becoming overheated.
A、present
B、prevent
C、avoid
D、provide
A、present
B、prevent
C、avoid
D、provide
A、It's very far. B、Yes, there is a cinema near here. C、It's well known. D、Go down this street and turn left
A、A.It's very far. B、B.Yes, there is a cinema near here. C、C.It's well known. D、D.Go down this street and turn left.
A、It does not scale well B、It converges slower than OSPF C、It is a proprietary protocol D、It is a distance vector protocol
A、Because it is difficult to plan and manage B、Because it is cannot be well categorized C、Because it is a difficult work for people to undergo D、Because it is seldom researched by research