词汇	潜行船
释义	潜行船 sneak boat
随便看	relief valve isolators Relief valve must be piped to a suitable drain relief-valve opening relief valvepneumatic Relief Valve Rubber Parts Kits relief wells relief width relief with pressure relief work relief worker relief workers relief works relief zero-lift relief valves relief valve;safety valve relief valve setting Relief valve setting too low relief valve solenoid relief valve spring relief valve unit relief valve with dashpot plunger relief valve with large flux relief variations relief vent relief vent shaft