转体完成后应及时约束固定，并应在浇筑施工球铰处混凝土。
参考答案：对
薄壁套零件磨削有何特点？如何磨削薄壁套零件，以减小工件的变形？
Mark went through the files once more carefully for fear that he should _____any essential details.[ ]
A. drop
B. overlook
C. ignore
D. display
