When the direction handle of telegraph is moved, the relative position of camshaft and crankshaft will be（）<br>A:changed accordingly<br>B:unchanged<br>C:positioned ahead<br>D:positioned astern

When the direction handle of telegraph is moved, the relative position of camshaft and crankshaft will be（）
A:changed accordingly
B:unchanged
C:positioned ahead
D:positioned astern

出自：海船船员证

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