On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）<br>A:cooling jacket<br>B:cylinder liner<br>C:piston crown<br>D:cylinder cover

On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）
A:cooling jacket
B:cylinder liner
C:piston crown
D:cylinder cover

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:【10244552】个 (题库试题定时更新)