pile cover

To create a weed compost pile, cover the weeds with a black plastic bag or tarp and leave them to decompose for up to 2 years.

如果用杂草制作堆肥，用黑色塑料袋或防水布覆盖杂草，让其腐烂两年的时间。

Second, according to working characteristic of thin-wall pipe pile using cast-in-situ concrete in ocean engineering and roadbed engineering, we divide pile into two kinds of situations named pile with cover and pile without cover.

根据筒桩在海洋工程和路基工程中的工作特点，将筒桩分为无盖和有盖两种情况。

A piece of thick heavy fabric ( usually with nap or pile) used to cover a floor.

铺在地板上的一块厚重的布（通常有绒毛）。

Inside the cover, in a photograph, a tiny man gazed up at an enormous pile of coins.

在封面里侧的一张照片上，一个小人儿紧盯着一大堆钱币。

At last, examples for the application of cement injection pile and changing cover soil mattress ground treatment is given.

最后，给出了粉喷桩和换土垫层地基处理方法的工程应用实例。