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单选题
3290. 许多带有电容式燃油指示系统的飞机也使用机械指示系统来交叉检查燃油量指示,并在电力不足时确定飞机上的燃油量。
A
Many aircraft with capacitance-type fuel indicating systems also use a mechanical indication system to crosscheck fuel quantity indications and to ascertain the amount of fuel onboard the aircraft when electrical power is not available;
B
Many aircraft with inductance-type fuel indicating systems also use a mechanical indication system to crosscheck fuel quantity indications and to ascertain the amount of fuel onboard the aircraft when electrical power is not available;
C
Many aircraft with capacitance-type fuel indicating systems also use a mechanical indication system to crosscheck fuel quanlity indications and to inspect the amount of fuel onboard the aircraft when electrical power is not available;
答案解析
正确答案：A
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