Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment.
石英砂、活性碳、过滤除铁除锰、除氧、除氟设备。
，子滩；洲，用覆盖
子
铸造；白色滩；白砂滩，质海滩；喷砂清理，喷砂打磨法暴；河拎，河谷丘；风成砂Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment.
石英砂、活性碳、过滤除铁除锰、除氧、除氟设备。
He compounded water, sand and soil and formed bricks.
他用水拌和和泥土做成砖块。
His spade cleaved the firm sand with a satisfying crunch.
他
锹凿开了坚实砂土,发出令人舒
扎声。
These tree belts effectively protect the farmland against shifting sand.
这些防护林带有效地保护了农田,使之免受流侵袭。
Sand your birdhouse for a nice, smooth finish.
把鸟窝用砂纸磨得光滑一点。
There is a mass of sand in the yard.
院里有一堆子。
The sand massed to form a dune.
积集起来成了丘。
Dragging the fully laden boat across the sand dunes was no mean feat.
将满载货物船拖过丘是一件了不起事。
Salt from the sea have encrust on the dry sand.
海水中盐分在乾燥子上结成硬皮。
A petroglyph emerges from the sands of the Sahara in Chad.
这是非洲乍得境内撒哈拉大漠里一块岩石画。
The existing problem in operation of siphonal sand filter and innovation were introduced.
介绍了虹吸式砂滤器在运行过程中出现问题及改造措施。
He fell face downwards in the sand.
他脸朝下跌到子里。
Water can be purified by filtration through sand.
水通过滤可以变清。
He left footprints behind him on the sand.
他把脚印留在了身后滩上。
Wilfred went for a gallop on the sands.
威尔弗雷德在地上骑马飞奔。
The sand in the water gravitated towards the bottom of the bottle.
水中子沉到瓶底。
There were grains of sand in her hair.
她头发里有粒。
We need 3 cubic yards of sand.
我们需要3立方码子。
Humanity in bathing suits covered the sand.
海滩上全是穿着泳装人。
He added sand to the soil to make it more porous.
他往土里掺子以提高渗水性能。
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