acrylic, sand and plaster on paper
塑料彩、沙及石膏纸本

Stiff paper coated with powdered emery or sand.
覆有金刚砂粉末或沙的硬纸。

Sand paper or a wire brush on an electric drill.
砂纸或钢丝刷对一个电钻。

Dalian Heshun Emery Cloth and Sand Paper Co., Ltd.
大连禾顺砂布纸有限公司。

Perhaps use burnish of fine sand paper, tatty mark leaves on furniture.
或者用细砂纸打磨，在家具上留下磨损的痕迹。

Bare sand soil line is adopted to correct atmospheric effects in this paper.
本文提出了校正大气影响得裸沙土壤线方法。

The initial start and vertical transportation of sand particle were analyzed in this paper.
从理论上对沙粒的初始启动与垂直抬升作了理论分析。

This paper has a detailed description on construction and final results of sand bag cofferdam.
文章详细介绍了砂袋围堰的施工情况和实施效果。

The paper studies the roller compaction character of desert sand used for embankment material.
本文对沙漠砂作为填我土料所具有的碾压特性进行了研究。

The paper brings up the concept of contrary and direct flow in rotor sand mixer for the first time.
本文首次提出转子混砂机的逆流和顺流概念。

A vibroflotation method of strengthening sand shell of dams against earthquake is presented in this paper.
本文介绍了砂壳坝抗震加固的一种新方法 振动水冲法。

This paper described the foundry technology of horizontal pouring and solidifying to produce large hollow ductile iron crankshaft cast in sand coated iron mould.
介绍了铁模覆砂铸造大型空心球铁曲轴的工艺。