clamp cylinder

例句：

1. 1. The machine clamps the cylindertightly to ensure it doesn't moveduring operation.
   机器紧紧地夹住圆柱体，以确保在操作过程中不会移动。
2. 2. The engineerused a special clamp to hold thecylinder together.
   工程师使用一种特殊的夹具来固定圆柱体。
3. 3. The cylinder was then placed ina vat of molten metal andheated until it reached the desired temperature.
   然后将圆柱体放入熔融金属的槽中加热，直到达到所需的温度。