The load on the crosshead pin is always （）, so it is the （）half of the bearing which is subject to wear.<br>A:upwards；top<br>B:upwards；bottom<br>C:downwards；top<br>D:downwards；bottom

The load on the crosshead pin is always （）, so it is the （）half of the bearing which is subject to wear.
A:upwards；top
B:upwards；bottom
C:downwards；top
D:downwards；bottom

出自：海船船员证

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