engine revolution meaning in Chinese

发动机转数
能源革命

Main engine revolution speedometer
主机转速表
Test should be proceed under good meteorologic conditions and sea condition , keep the cruise 、 ship speed and main engine revolution of the vessel stable before trial , rudder angle should keep at center position
试验应在良好的气象条件和海况下进行，试验前，应保持航行、航速以及主机转速的稳定，试验期间，舵角应保持在正中位置。
On the bridge main engine instrument board , there is main engine cooling water thermometer , lub oil pressure gauge , main engine revolution indicator , main engine emergency shutdown pushbutton , and there is audible and visual alarm device for main engine lub oil low pressure , cooling water high temperature , gear box lub oil low working pressure
本船驾驶室主机仪表板设有主机冷却水温表、滑油压力表、主机转速表、主机应急停车按钮，并具有主机滑油压力低、冷却水高温、齿轮箱滑油工作压力低的声光报警装置。