同义词
1)hydraulic/electrical pressure switch,液压/电气压力继电器[开关]2)hydramechanical oil pressure switch,液压机械式油压力继电器[开关]3)hydraulic oil temperature switch,液压油温度继电器[开关]4)pressure switch,压力开关，压力感受器，压力操纵开关，压力继电器5)prelube pressure switch relay,预润滑压力开关继电器6)oil pressure relay,液压继电器
