A、to repair；to renew
B、repairing；be renewed
C、repairing；will be renewed
D、to repair；to be renewed
更多“Now that the valve is not worth （）, I suggest it （）.”相关的问题
A、I NOW HAVE THE WATCH. B、I NOW HAVETHE CONN. C、YOU NOW HAVE THE WATCH. D、YOU NOW HAVE THE CONN.
A、I NOW HAVE THE WATCH. B、I NOW HAVE THE CONN. C、YOU NOW HAVE THE WATCH. D、YOU NOW HAVE THE CONN.
A、I NOW HAVE THE WATCH. B、I NOW HAVE THE CONN. C、YOU NOW HAVE THE WATCH. D、YOU NOW HAVE THE CONN.
A、one valve seats upwards, while the other seats downwards B、the reed valves used on the discharge are made substantially thicker and heavier than the suction valves C、the suction valve springs exert a greater tension than the discharge valve springs D、the discharge valve springs exert a greater tension than the suction valve springs
A、I'm not sure. It depends on the mode your partner chose B、I'm not sure about that. It is a big city C、I don't know for sure. It is quite busy now in our bank
A、the direct acting relief valve is used for controlling lower flows and pressure B、the pilot operated relief valve is used for controlling higher flows and pressure C、the pilot operated relief valve is used for controlling lower flows and pressure D、the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
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