题目内容

离合器摩擦片上沾有油污可使离合器得到润滑。

A. 正确
B. 错误

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简述活性污泥由哪几部分组成。

Which three statements are true about persistent configuration?()

A user cannot set privileges on the persistent lightweight jobs
B. Persistent lightweight jobs generate a large amount of metadata
C. It is possible to create fully self-contained persistent lightweight jobs
D. The use of a template is mandatory to create persistent lightweight jobs
E. Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time

为了使砂浆具有良好的和易性及其他施工性能,可在砂浆中掺入某些()

A. 胶凝材料
B. 细骨料
C. 外加剂
D. 掺加料

同向捻钢丝绳可以在无导向装置情况下使用。提升多选用同向捻绳。()

A. 正确
B. 错误

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