This paper introduces the craft characteristics of casting the shell of the gearbox, including the manufacturing of the resin moulding, the application of the hard sand core and so on.
针对变速箱壳体毛坯铸造的工艺特点，介绍了其树脂模具的制造、树脂自硬砂砂芯应用等关键环节的技巧和做法。
It's hard to walk on the soft sand.
沙土地暄，不好走。
By building complex, three-dimensional structures that expose the hard rock beneath the sand, Miller said, red grouper create an environment in which seaweed, coral and sponges can thrive.
Miller说通过建著复杂的空间结构使沙子底下的硬质岩石暴露出来，赤点石斑鱼创建了一个海藻，珊瑚和海绵可以繁荣生长的空间。
Sand Hill Road-style venture capital is shrinking toward nothing, and investors in general will be hard to come by.
SandHill风格的风险投资正在收缩殆尽，并且投资商一般很难碰到。
The next time you play in the sand, just think about where the sand came from. It's hard to believe it could end up making a great sand castle.
下次在海滩玩耍的时候，想想沙是怎么来的，你很难相信这个过程最终结局会是一座大沙堡。
Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
We should work hard to achieve greatness. Then we may say that we haven't wasted our time, and we may leave our footprints on the sand of time.
我们应当努力奋斗，有所作为。这样，我们就可以说，我们没有虚度年华，并有可能在时间的沙滩上留下我们的足迹。
The others agreed and they all began to dig hard in the sand.
别的孩于同意了，他们就都起劲地挖起沙来。
In the Central Arabian desert there is deep sand as well as hard terrain.
在中央的阿拉伯沙漠中，有深沙以及硬地形。
In plastic or hard plastic clay, or water content smaller sand application microgroove blade drill, slowly and evenly drilling.
在可塑或硬塑粘土中，或含水量较小的砂土中应用密纹叶片钻杆，缓慢地均匀地钻进。
When I got the sand off my legs, it was in between in my fingers and in my ring. I pushed up with my thumb to get it out and I must've pushed up hard and I lost it.
当我冲洗腿上的沙子，沙子进到我的戒指和手指的缝里，我用拇指把戒指向上推来把沙子弄出去，我肯定用的劲儿太大了，把戒指给丢了。
They made sand castles and made really funny sounds with their mouths. Sounds which made them laugh real hard.
他们建了沙子城堡，吹起了非常美妙的口哨，好听的声音让他们俩开心得哈哈大笑。
Most of its 300 white-sand beaches are unmarked. Unless you connect with the local people, the hidden spots are hard to find.
它的300处白沙滩都未有标识，除非你与当地人联系，否则很难找到这些隐藏起来的景点。
In order to improve working environment of hard alloy for mine, replacement of sand blasting by ball milling handling technology is put forward.
对矿用硬质合金的热处理和时效处理，通常采用喷砂工艺，为改善劳动环境，提出球磨处理技术取代喷砂，取得了明显的技术经济效。
They were hard at work, by the water's edge, building an elaborate sand castle with gates and towers and moats and internal passages.
他们玩得很起劲，在水边用沙子建起带大门、塔楼、护城河和内部通道的精美城堡。
Surface condition: The surface is relatively hard with sand and small rocks.
路面状况：路面地基较硬，多沙石。
Rishi Goyal sand Ronald Mckinnon theory of negative risk premium shows that Japans banks are hard to make profit under the circumstances of liquidity trap.
麦金农的负风险溢价理论说明，在流动性陷阱的情况下，日本银行业很难赢利。
Eight hundred and four thousand myriads of Awakened Ones throughout numberless swirls of epochs appeared to work hard to save a grain of sand, and it was only the golden eternity.
遍及无数时代漩涡的四千八百①觉醒者似乎在努力拯救一粒沙，那仅仅是金色永恒。
As the seas evaporated, hard-packed sand replaced water around the hundreds of islands that had dotted the sea and had provided a haven for wildlife.
当海水被蒸发以后，结为硬板状的沙子代替了千百个小岛周围的海水，它们点缀在海上，为野生生物提供了避风港。
It made it more slippery with the sand on top of the hard surface.
由于赛道表面有很多沙子，显得比较滑。
It made it more slippery with the sand on top of the hard surface.
由于赛道表面有很多沙子，显得比较滑。
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