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.

用扫描电子显微镜和X射线能量色散仪测定某铸造作业翻砂车间、造型车间、清砂车间和某采石作业生产性粉尘粒子的结构及各元素的百分含量。

So you're wondering how to cast metal in sand.

所以，你想知道如何在砂铸造的金属。

Snow complicates the process of finding trace evidence as well as recovering bullets and cartridges, and it is much more difficult to cast foot impressions in snow than it is in soil or sand.

斯诺复杂化的过程中找到痕迹物证，以及回收的子弹及子弹，它要困难得多投脚印象大雪比在土壤或沙子。

Seen from above, the shadows cast onto the sand created shifting patterns like sundials.

从上面看，投在沙滩上的阴影创造了像日晷一般的移动模式。

According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.

按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。