1861.The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit,along with precautions to be observed.

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1353.Turbine blade tip clearances decrease when the turbine case is cooled.

A、当压气机机匣被冷却后,压气机叶片间距变小。

B、当涡轮机匣被冷却后,涡轮叶尖距变小。

C、当涡轮机匣被冷却后,涡轮叶片间距变小。

答案：B

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2698.燃油和氧气的混合物能引起爆炸。

A. A mixture of fuel and oxygen can cause an explosion.

B. Fuel and oxygen react with each other to cause explosion.

C. A mixture of fluid and oxygen can be set on fire.

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212.Ream the hole until it has a diameter of 8.00 +/- 0.003 mm.

A. 扩孔(铰孔)至直径达到 8.00+/-0.003 毫米。

B. 钻孔至半径达到 8.00+/-0.003 毫米。

C. 钻孔至直径达到 8.00+/-0.003 微米。

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1633.During the subsequent test,you get the cracking pressure when the fuel flow from the CROSS FEED port is more than 5 cc/minute.

A. 在接下来的测试中,当穿越供油端口的燃油流量大于 5 毫升每分钟时,将得到破裂压力。

B. 在分项测试中,当穿越供油端口的燃油流量大于 5 毫升每分钟时,将得到开启压力。

C. 在接下来的测试中,当交输端口的燃油流量大于 5 毫升每分钟时,将得到开启压力。

D. C.在接下来的测试中,当交输端口的燃油流量大于 5 毫升每分钟时,将得到开启压力。

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541.During the soldering procedure,use a protective shield.

A. 焊接时请带防护面罩。

B. 在焊接过程中,请使用保护罩。

C. 在焊接的程序中有使用防护屏的要求。

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1357.The ozone converter prevents damage to the air separation module from oxidation of the membrane material by ozone.

A. 臭氧转换器通过臭氧对膜材料进行氧化,从而防止空气分离模块受损。

B. 臭氧转换器防止臭氧对膜材料进行氧化,从而避免空气分离模块受损。

C. 臭氧转换器防止空气分离模块受损,以使得臭氧对膜材料进行氧化。

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1311.Print the page number and date of issue or revision at the bottom of each page.

A. 在每页的右下角输入页数和发行或改版日期。

B. 在每页的底部打印页码和发行或修订日期。

C. 在每页的底部输入页码和发行或修订数据。

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1558.It is not necessary to remove the nameplate (33) from the flange (27).

A. 无需从绞盘(27)上拆下铭牌(33)。

B. 无需从法兰(27)上拆下铭牌(33)。

C. 无需从法兰(27)上拆下名字盘(33)。

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717.当压力降低时,提起盖子。

A. When the pressure decreases,lift the cover.

B. When the pressure increases,lift the cover.

C. When the pressure decreases,lift the covering.

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147.Disassemble this unit into two parts.

A. 将这个单元拆分为两部分。

B. 将这个单元重组成两部分。

C. 将这个部分拆分为两单元。

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1861.The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit,along with precautions to be observed.

A. The removal/installation portion shall state clearly the sequence of steps required to remove and reinstall a component or unit.This portion shall also state precautions to be obeyed.

B. The removal/installation portion shall state clearly the sequence of steps required to remove andreinstall a component or unit.This portion shalln’t include precautions to be obeyed.

C. The removal/installation portion shall hardly state the sequence of steps required to move and reinstall a component or unit.This portion shall also include precautions to be watched.

D. C.The removal/installation portion shall hardly state the sequence of steps required to move and reinstall a component or unit.This portion shall also include precautions to be watched.

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