With reference to a two ram actuating mechanism, which one of the following statement is false?（）
A: AThe rams work inside cylinders
B: BThe cylinders have glands sealing their open ends
C: CThe rams are connected to a cross-head
D: DThe cross-head is mounted on the rudder stock
A: AThe rams work inside cylinders
B: BThe cylinders have glands sealing their open ends
C: CThe rams are connected to a cross-head
D: DThe cross-head is mounted on the rudder stock
举一反三
- The longest river in Canada is（） A: Athe Mackenzie B: Bthe St.Lawrence C: Cthe Severn D: Dthe Yukon
- Canada is located in （） A: Athe Southern Hemisphere B: BThe Northern Hemisphere C: Cthe Western Hemisphere D: DThe Eastern Hemisphere
- When steering gear is in operation, you should ______. A: Check hydraulic oil levels every hour B: Check the rams for overheating C: Check for excessive oil leakage from rams D: Drain water from telemotor cylinders each watch
- Which of the following was one of the founders of the Red Cross?
- A forwarder can perform routine tasks such as loading/unloading of goods， storage of goods， etc.on behalf of （）. A: Athe importer B: Bthe exporter C: Cthe consignor D: Dthe pilot