发动机机油温度警报发送单元
engine oil temperature alarm sending unit
发动机机油压力发送单元
engine oil pressure sending unit
最低单发动机速率
minimum single-engine speed (MSE
单板发动机控制
SBEC Single Board Engine Control
单缸 LPG 发动机
single-cylinder LPG engine
单缸二冲程发动机
single cylinder two-stroke motor