The bent shaft is mounted on the roller for positioning the roller brackets of the laying-out table and scriber pictures circle on the two ends of the bent shaft.
曲轴两端面中心孔的定位方法是，将 曲轴放到该定位划线台滚轮支架的滚轮上，使划针在曲轴两端面上画圆。
She was busy laying the food out on the table.
她忙着把食品摆放在桌子上。
She was busy laying the food out on the table.
她忙着把食品摆放在桌子上。
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