951. Make sure that the landing-light cutoff switch power connection is safe

确保着陆时切断灯的开关电源连接

确保着陆灯断开电门的电连接是安全的

确保着陆灯安全切断了开关电源连接

正确答案：B

设备系统操作理论翻译

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2412. 更换PTU单向活门

2411. 此处包括其他信息或说明,例如:“向制造商报告任何发现的裂纹”。

2410. Arrows shall be used to indicate flow direction when needed to understand the schematic diagram

2409. 操作员调整了连杆。

2408. In a high concentration, this material is poisonous

2407. 在大翼除冰系统安装伸缩管。

2406. Arrows shall be used to indicate flow direction when needed to understand the schematic diagram

2405. The seal must adhere correctly

2404. move the object to position

2403. work in this area should use a respirator