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问题 多项选择题

变压器外壳出现大面积油渍，往往是由于细微的一点渗漏，一般采取（）方法查找。

A、电焊

B、清洗后观察

C、肥皂水涂抹

D、红丹粉（或粉状物）涂抹

答案

参考答案：B, C, D

单项选择题

What is the purpose of a project charter

A) To address and document the characteristics and boundaries of the project and its associated products and services.
B) To formally authorize the project and provide the project manager with the authority to apply organizational resources.
C) To link the project, which is going to be planned, executed, and monitored/controlled to the ongoing work of the organization.
D) To break down the scope of the project into smaller, better manageable components for further planning and estimating.
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填空题

卷扬机必须有可靠的刹车装置。如刹车装置失灵或不灵敏，在修复前（）使用。
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