极其容易

It is extremely convenient to use this SL253 presser. A sample piece can be pressed with just one pull of the handle, which is much more convenient than pressing with other pressers which need several or scores of actions of the hands. It is almost as convenient as an automatic sample presser, and is more economical than it because a automatic sample presser is more expensive and is easy to have motor failure.

SL253型压片机使用极其方便，只要用手扳一下，即可完成压样，相比其他手动压片机需压几下甚至几十下要方便得多，相比自动压片机也差不多，但自动压片机电机等容易出现故障且价格较高，所以在性价比上更胜过自动压片机。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。