sand casting, metal-casting gravity, epc, such as various types of low pressure casting process.

1、

the process of low pressure casting with cooling water is designed to produce this part without the riser.

为取消冒口设计了带水管冷却的低压铸造工艺。

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2、

in addition, the research and application of low pressure casting technology in copper alloys and ferrous metals are described emphatically.

重点叙述了低压铸造技术在铜合金及黑色金属领域的研究应用状况，并展望了低压铸造技术在未来的发展趋势。

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3、

production method is high-pressure casting, low-pressure casting and gravity casting.

高压铸造，低压铸造，重力铸造。

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4、

a new type of continuous production technology of low pressure casting for magnesium alloy was developed.

研制开发了一种新型镁合金低压铸造连续化生产技术。

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5、

mold filling characteristics of al alloy in vacuum lost foam low pressure casting (vlflpc) under counter gravity condition were examined.

试验研究了反重力浇注条件下，铝合金消失模真空低压铸造的充型流动特性。

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6、

the vacuum low-pressure casting was used to found water pump copper impeller.

采用金属模和特制的真空低压铸造装置铸造水泵铜叶轮。

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7、

my factory technical force is abundant, specialized production each kind of casting: low pressure casting, sand casting.

我厂技术力量雄厚，专业生产各种铸造：低压铸造、型铸造。

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8、

the invention has low equipment requirement to low-pressure casting, easy realization, lower cost, simple operation and easy popularization.

本发明对低压铸造的设备要求低，容易实现，成本较低，操作简单，易于推广。

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9、

hen feather with bamboo handle

竹柄鸡毛毛帚

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10、

black hen feather duster with rattan handle

藤柄黑母鸡毛帚

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11、

analysis of cadmium zinc telluride by glow discharge mass spectrometry

碲锌镉晶体组分的辉光放电质谱分析

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12、

research on the cadmium zinc telluride crystal and its device for radiative ray detection

射线探测用碲锌镉晶体及其器件研究

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13、

international technical conference on the conservation of the living resources of the sea;

养护海洋生物资源国际技术会议；

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14、

the minimal area of a corticolous lichens community of western tianshan

新疆天山西部树皮生地衣群落最小面积的初步研究

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15、

a: first of all, we'd like to extend condolences and solicitude to indonesia for its heavy loss of lives and properties.

答：首先，我们对印尼日前发生强烈地震并造成重大人员伤亡和财产损失表示同情和慰问。

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16、

effect of 2, 4-d isooctylester on sperms in tail of epididymis and hsp70 expression of testis tissue in rats

2,4-D异辛酯对大鼠精子的影响及与热休克蛋白70的表达关系

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17、

the result of incoherent signal in coherent signal process

非相参信号在相参处理中的响应

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18、

number of plants per unit area

单位面积株数

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19、

china to impose quarantine control on eu wood packing

中国规定欧盟货物木质包装须检疫

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20、

primary study on microwave irradiation of wood packing material to destroy anoplophora nobolis

木质包装中黄斑星天牛微波处理初探

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