What is the function of an engine’s stationary parts?（）<br>A:To add power to the engine<br>B:To keep the engine firmly attached to its supporting base<br>C:To keep moving engine part in their proper relative positions<br>D:To rotate the crankshaft

What is the function of an engine’s stationary parts?（）
A:To add power to the engine
B:To keep the engine firmly attached to its supporting base
C:To keep moving engine part in their proper relative positions
D:To rotate the crankshaft

出自：海船船员证

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