If the detergent type lubricating oil being used in a diesel engine is black, the oil （）<br>A:must be centrifuged<br>B:must by filtered<br>C:must be changed<br>D:is holding finely dispersed carbon in suspension

If the detergent type lubricating oil being used in a diesel engine is black, the oil （）
A:must be centrifuged
B:must by filtered
C:must be changed
D:is holding finely dispersed carbon in suspension

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)