砂石

Although people wear shoes in order to walk faster and easier, the indescribable suffering caused by one tiny sand in a shoe sometimes is more than the suffering on the way.

穿鞋是为了赶路，但路上的千难万险，有时尚不如鞋中的一粒砂石令人感到难言的苦痛。

Our main products: dredging ship, pumping sand barge, sand screening machine, Dump Sand Barge, gravel Featured equipment, gold machinery, iron ore extraction equipment, river pebbles and weathered broken equipment, screw sand washing machines, conveyor-type automatic loading sand machinery, etc.; a total of ten series more than 30 specifications for the user to choose, and geographic environment based on user design and manufacture of special products, factory production of mechanical energy at the same time the completion of dredging excavation, screening, separation of several procedures, one-time production of qualified products, divided into sand, stone and waste in the advantage of high efficiency and low cost.

本厂主要产品：挖沙船，抽沙船，筛沙机，自卸运沙船，砂石精选设备，淘金机械，铁砂提取设备，河卵石及风化破碎设备，螺旋洗沙机，输送式自动装沙机械等；共有十大系列三十多个规格供用户选择，并根据用户地理环境设计制造异型产品，本厂生产的挖沙机械能同时完成挖掘，筛选，分离几个程序，一次性生产出合格产品，分为沙石，中石及废料，其优点效益高，成本低。

Scraper chain is suitable for transmission equipment for loose material such as cement ,flour,corn,sand,stone and coal etc,of which the loose material is powdery,grain and polt.

埋刮板链适用于粉末状、颗粒状及小块状的水泥、面粉、谷物、砂石和煤炭等散状物料的运输设备！

The products are principally used to crush limestone, shale powder sand, rock, gypsum, coal and other materials whose compressive strength is not more than 200 Mpa in mining, cement, building materials, chemical industry.

该产品主要用于矿山、水泥、建材、化工等行业破碎抗压强度不大于200Mpa的石灰石、泥质粉砂石、岩石、石膏、煤等物料的破碎。

It is referred to as 'Red Rock' by locals because of the striking red-colored sandstone formations found throughout this small valley.

而这里被称为红石，是因为整个幽谷都布满了这些明显的红色砂石。

Many areas still bear the scars of hydraulic mining since the resulting exposed earth and downstream gravel deposits are unable to support plant life.

由于在液压采矿方式中暴露出的土地和造成的下游砂石沉淀不适宜植物生长，许多地区至今仍承受着由此带来的创伤。

However, panning cannot be done on a large scale, and industrious miners and groups of miners graduated to placer mining "cradles" and "rockers" or "long-toms"[69] to process larger volumes of gravel.

68然而，由于淘金盘不适用于大规模淘金，一批批勤劳的淘金者们逐步演化出用于砂金开采的&摇篮式洗矿槽&、&淘金摇动槽&或称&长型倾斜淘金槽&[69]以便处理更多砂石。

It was from the Communist Manifesto and The ABC o Communism that I learned the rudiments of Marxism.

我的入门老师是《共产党宣言》和《共产主义ABC》。在这儿，他至少有机会学一学用自由砂石作原料而工作的初步知识。

Experiments were conducted in 1955—1957 to determine the merits of the use of gravel as a soil mulch material instead of a mixture of sand and gravel widely used in Kansu.

为了改进这种缺点，我们提出用直径5毫米以上的砾石来代替砂石混合物作为土壤覆盖层。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。