A、rudder keys
B、rudder palms
C、lifting flanges
D、shoes of the rudder
更多“The horizontal flat surfaces where the upper stock joins the rudder are the（）.”相关的问题
A、Horizontal movement of the water toward the land after high tide B、Horizontal movement of the water toward the land after low tide C、Horizontal movement of the water away from the land following high tide D、Horizontal movement of the water away from the land following low tide
A、increases as the boom's angle to the horizontal increases B、is at a maximum when the boom is at a 45° angle to the horizontal C、increases as the boom's angle to the horizontal decreases D、decreases as the boom's angle to the horizontal decreases
A、horizontal position of the boom B、vertical position of the boom C、horizontal position of the load being lifted D、vertical position of the load being lifted
A、the horizontal component of the permanent magnetism B、deviation caused by the vessel's inclination from the vertical C、induced magnetism in the horizontal soft iron D、induced magnetism in the vertical soft iron
A、induced magnetism in the vessel's horizontal soft iron B、change in the magnetic field when the vessel inclines from vertical C、permanent magnetism of the vessel D、magnetic fields caused by electrical currents in the vicinity
A、operation of electrical equipment and generators on board ship B、the earth's magnetic field affecting the ship's hard iron during construction C、the horizontal component of the earth's magnetic field acting on the horizontal soft iron D、the vertical component of the earth's magnetic field acting on the vertical soft iron
A、increases as the angle to the horizontal increases B、increases as the angle to the horizontal decreases C、is greatest at an angle of 45° and decreases as the boom is raised or lowered D、is least at an angle of 45° and increases as the boom is raised or lowered
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