Gas turbines differ from steam turbines in that （）.
- Asteam rather than gas is used to turn a shaft
- Bvapor rather than gas is used to turn a shaft
- Cthe former uses gas to turn a shaft
- Dthe latter uses gas to turn a shaft
问题
Gas turbines differ from steam turbine
参考解析：
分类：船舶电气与船舶安全题库
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