在套管内拖动的工具，通常长度较短。
The tool pulled through the casing, usually of a short length.
我们的产品是单一的聚酯合成纤维，其横截面的直径为15微米，通常长度切割为75毫米。你也可以选择38毫米和50毫米的长度，连续的成卷纱线即将上市。
Our fibre is a single staple polyester fibre with a cross sectional diameter of around 15 microns, normally cut to 75mm, 50mm and 38mm lengths with other lengths available upon request.
以 Facebook 为例，该公司表示，在该链接被重用之前，数据可能会一直存在，通常是“在很短的时间之后”，不过很明显，这段时间的长度可能很不确定。
In the case of Facebook, the company says data may hang around until the URL in question is reused, which is usually "after a short period of time", though obviously that time can vary considerably.
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