()联轴器的装配,在一定情况下应严格保证两轴的同轴度。
A.滑块式
B.凸缘式
C.万向节
D.十字沟槽式
参考答案:B
--- Is this book familiar ______ you? --- Sure. I am also familiar ______ its writer.
A.to; to
B.with; with
C.to; with
D.with; to
国外建筑安装工程的费用构成中,脚手架、模板的摊销费一般列在( )之中。
A.材料费
B.施工机械费
C.管理费
D.开办费