With reference to a two ram actuating mechanism, which one of the following statement is false?（）<br>A:The rams work inside cylinders<br>B:The cylinders have glands sealing their open ends<br>C:The rams are connected to a cross-head<br>D:The cross-head is mounted on the rudder stock

With reference to a two ram actuating mechanism, which one of the following statement is false?（）
A:The rams work inside cylinders
B:The cylinders have glands sealing their open ends
C:The rams are connected to a cross-head
D:The cross-head is mounted on the rudder stock

出自：海船船员证

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