996. This shows that you can install an alternative relay

This shows that a backup relay may be installed;

This indicates that an additional relay may be installed;

This shows that an ordinary relay may be installed;

正确答案：A

设备系统操作理论翻译

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2367. 在隔离活门上贴请勿操作"的标签。"

2366. This method is recommended as minimizing errors of distribution, and also informs owner of the availability of systems and equipment

2365. 确保襟翼缩回,井且副翼配平手轮位于零位

2364. Turn the control to the fully closed position

2363. Recheck the assembly filter for leakage

2362. Write noun dusters of no more than three words

2361. 停止发动机启动程序。

2360. CORROSION INHIBITING COMPOUND MAY BE PRESENT IN CORROSION SUSCEPTIBLE LOCATIONS

2359. 用清洗液对腐蚀进行清洁时,要避免损坏周围区域。

2358. 将所有装有不同金属螺套或有较深盲孔的金属零件在烤箱中干燥至少一小时,烤箱温度为225到275华氏度(107 to 135℃)。