Books can be hard or soft cover, and trim sizes range from a small 7 "square books to large, coffee-table-size 12" square books.

你可以选择硬皮或软皮封面，还可以调整书本尺寸从七寸手掌书到适合摆放咖啡桌上的12寸大的书。

youdao

To adjust the auto play, and aim at shaping mechanism of degree, you should press books cover paper thin, soft and hard and make adjustments.

③调动托打不败型机构的矮矮度，答按册本不开面纸的厚薄、软硬而加以调动。

youdao