The position of the piston parts in relation to each other is secured by means of （） and a dowel pin in the crown.<br>A:bosses<br>B:through bolts<br>C:machine-turned recesses<br>D:long studs

The position of the piston parts in relation to each other is secured by means of （） and a dowel pin in the crown.
A:bosses
B:through bolts
C:machine-turned recesses
D:long studs

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)