（）provides a paper trace of course steered by the vessel against time.
Which of the following types of hydraulic pumps would be used in a steering system?（）
Air trapped in the hydraulic fluid of a steering system may be indicated by（）
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.
The lower end of each piston rod is reduced in diameter to fit a bore in （）, this being secured to the piston rod by a nut.
Generally，you can best keep a vessel under steering control when the vessel has（）.
The lower end of each piston rod is reduced in diameter to fit a bore in the （）, this being secured to the piston rod by a nut.
The hand steering is a method by which the motion of the rudder is controlled with （）.
Air trapped in the hydraulic fluid of a steering system would be indicated by（）
The length of the steering oar in a lifeboat is（）.
Knowing the compass heading that is 90°to the side of a ship will enable the operator of a survival craft to initially steer（）.
The lower end of each piston rod is reduced in diameter to fit a bore in （）.
An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）
In diesel engines designed with a crosshead, the motion of the piston rod can be described as （）.
Course directed by the 0SC or CSS to be steered at the beginning of a search is（）.
临界棒位 critical position of control rod
Course directed by the OSC or CSS to be steered at the beginning of a search is（）.
When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.
When air becomes trapped in the hydraulic fluid of a steering system, the （）.
The lower end of each piston rod is reduced in diameter to fit a bore in the cross-head, this being secured to the piston rod by （）.
The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.
A lightning rod is a metal pole attached to the roof of a house by ____________.
The title of a passage controls the of the topic.
