“petty officer”简单造句，petty officer造句子

The NCO corps includes all the grades of sergeants and corporals. The Naval equivalent includes all levels of petty officers.

(in the navy)petty officer( in charge of steering,signals,etc )

A petty officer who is an assistant to a warrant officer.

A petty officer performing chiefly clerical duties in the .

a petty officer on a merchant ship who controls the work of other seamen.

And there were 40 officers, 260 petty officers, 538 soldiers, and 332 students.

Conclusion Conclusion CMS suffering rate was increased as altitude was increase, suffering rate in officer and petty officer was higher than soldier.