For many of us, the most pressing question about exercise is: How little can I get away with?

对我们很多人来说，关于锻炼最迫切的问题是：我最少需要锻炼多长时间？

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This machine is applicable for the back flat-pressing and square-cornering of the saddle-stitched or flat-bound exercise books of various sizes. The bound exercise books are more good-looking.

本机适用于各种规格的骑马装订或平订练习本的脊背压平和打成方角，便装订后的练习本更加美观。

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This machine is applicable for the back flat-pressing and square-cornering of the saddle-stitched or flat-bound exercise books of various sizes. The bound exercise books are more good-looking.

本机适用于各种规格的骑马装订或平订练习本的脊背压平和打成方角，便装订后的练习本更加美观。

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