单项选择题 When making entries in the Oil Record Book, the date, operational code and item number shall be inserted in the appropriate columns and the required particulars shall be recorded （） in the blank spaces.

单项选择题 The temperature （） a liquid changes its state from liquid to gas depends upon the liquid itself and upon the pressure （） it is subjected in the containing vessel.

单项选择题 Special thrust devices are provided on ships to improve their （） at zero ship speed when the rudder is relatively ineffective.