×
单选题
3218. 必须强调的操作程序、检查、修理或维护条件等。
A
An operating card, inspection, repair or maintenance message, etc., which is deemed essential to highlight.
B
An operating procedure, inspection, repair or maintenance condition, etc., which is deemed essential to highlight.
C
An operating procedure, inspection, repair or maintenance condition, etc., which is deemed essential to follow.
答案解析
正确答案：B
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