The lubricating oil is pumped from the drain tank, very often with （） in the suction line.
A:a filter
B:a strainer
C:a magnetic filter
D:a fine strainer
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)