The main moving parts of a diesel engine consist of the （） and the pistons. bedplate, connecting rods。 crankshaft, the connecting rods。 frames, crossheads。 crankshaft, the cylinder。
When the Pilot is embarked he or she （）. relieves the Master of his duties。 is solely responsible for the safe navigation of the vessel。 is a specialist hired for his or her local navigational knowledge。 relieves the officer of the watch。
通常在实际规划中，密集城区和城区的天线挂高可规划为（）米，郊区（）米，农村（）米。
The main function of the lubrication system in to enable （） of a film of oil between the moving parts. the information。 the formation。 the scatter。 the frictio。
全向天线无法（）下倾，因此很高的全向站应该根据不同情况选择带不同角度的（）下倾天线。
《京鹿子道成寺》属于（）。
