皮皮学，免费搜题
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【单选题】
在故障的检查过程中尽量使用( )的方法对各种故障进行排查,同时还要学会使用一些常用的软、硬件检测工具进行故障检查。A.
最小系统法
B.
硬件交换法
C.
观察法
D.
测试法
拍照语音搜题，微信中搜索"皮皮学"使用
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