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单选题
1032、The aircraft and engine manufacturers recommend that you do not weld engine components when the engine is installed on the airfare.
A
You had better not to weld engine components when the engine is running.
B
You had better not to weld engine components when the engine is installed on the airframe.ao
C
You＇re not allowed to operate engine components when the engine is installed on the airframe.
答案解析
正确答案：B
解析：
解析:install 安装; running 运转。weld 焊接。
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