A、 Open the control valve (13), close the control valve (20) and manually operate the oil pump(17) to empty the system.
B、 Open the control valves (13) and(20) and operate the hand pump(17) to bleed the filling system.
C、 Open the control valves (13) and(20) and manually operate the air inlet pump (17) for filling.
答案：B
A、 Open the control valve (13), close the control valve (20) and manually operate the oil pump(17) to empty the system.
B、 Open the control valves (13) and(20) and operate the hand pump(17) to bleed the filling system.
C、 Open the control valves (13) and(20) and manually operate the air inlet pump (17) for filling.
答案：B
A. 字典中包括一些未经更新的单词,如果你可以将它们放入应用的技术名称类别中它们可以是技术名称。
B. 字典中包括一些未经批准的单词,如果你可以将它们放入适用的技术名称类别中它们可以是技术名称。
C. 字典中包括一些未经批准的单词,包括技术名称,如果你可以将它们放入应用的技术名称类别中则属于此类词汇。
A. The specific approved meaning of each approved word in the dictionary can be more limited than its meaning in standard English.
B. The word meaning in standard English may be less restricted than the specified approved meaning of each word in the dictionary.
C. The special meaning approval of every word in the dictionary may be more constrained than its meaning in common standard English.
A. Test the assembly filter for leakage again.
B. Check the assembly filter for leakage again.
C. Re-inspect the assembly filter for fuel leakage.
A. 拆卸密封胶和钝铁锹。
B. 用锋利的铲子去除密封胶。
C. 用钝刮刀刮掉密封胶。
A. Be ready to use the tube for the leak test.
B. Prepare the tube for the leak test.
C. Prepare for the leak test on the tube.
A. Documents must be temporarily edible.
B. Documents must be readily revisable.
C. Documents must be permanently durable.
A. Maintenance information need to be continually updated.
B. Maintenance information needs to be continually updated.
C. Maintenance data need to be continually updated.
A. Tag the isolating valve with DO NOT OPERATE""
B. Release the check valve with DON＇T OPERATE""
C. Tag the check valve with DO NOT OPERATE""
A. The tank recirculating system lets the air in or out of the fuel tanks if necessary
B. The tank absorbing system lets the air in or out of the fuel tanks as necessary.
C. The tank venting system lets the air in or out of the fuel tanks as necessary.
A. 当使用手摇泵时,记录使用时间。
B. 当使用应急泵时,记录使用时间。
C. 当使用应急泵时,记录开始时间。
