The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a （）.
A:crosshead
B:crown
C:piston rod
D:connecting rod
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)