Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to （）
- Atest the starting system
- Bremove condensation from the cylinders
- Ccheck the compression
- Dcheck for proper lube oil pressure
问题
Prior to starting, the purpose of turn
参考解析：
分类：船舶电气与船舶安全题库
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