施工详图交施工单位施工前需经( )审核。
A.项目法人
B.监理单位
C.设计单位
D.质量监督单位
参考答案:B
主机机座螺栓,若推力轴承在机座之外者,要求紧配螺栓占螺栓总数的()。
A.10%
B.20%
C.15%
D.12%
第二节 开放作文(15分)
请根据下面提示,写一篇短文。词数不少于50。
In your English class, your teacher shows you he following picture. You are asked to describe the picture and explain how you understand it.
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