quarry sand

基本解釋

While a shortage of sand resources in many states of our country, much crushed stone dust was produced in the course of crushing stones in quarry.
在我國(guó)很多地區(qū)出現(xiàn)天然砂資源短缺的同時(shí)，采石場(chǎng)加工碎石產(chǎn)生大量的石屑，占用場(chǎng)地且污染環(huán)境。
Companies are integrated enterprises, the main core for the building or real estate, the provision of gravel, sand, brick machine, quarry and transport.
公司屬綜合性企業(yè)，為主要核心建筑或房地產(chǎn)，提供砂石、河沙、機(jī)磚、石礦及運(yùn)輸。
Methods Scanning electron microscope and X-ray analysis were used to study the distribution of all kinds of elements in sand-cast, sculpt and clear-sand of one foundry work and quarry work.
用掃描電子顯微鏡和X射線能量色散儀測(cè)定某鑄造作業(yè)翻砂車間、造型車間、清砂車間和某采石作業(yè)生產(chǎn)性粉塵粒子的結(jié)構(gòu)及各元素的百分含量。

It turned out that the concrete was made using beach-sand that was not properly desalinated, rather than more expensive quarry-sand.
ECONOMIST: The land of disappointments The

感谢您访问我们的网站，您可能还对以下资源感兴趣：