Precision Die Casting melt in the ancient wax casting mold on the basis of developed. As countries with ancient civilizations, China is using the technology of the earlier one, about a few hundred years before Christ, ancient China to working people to create this kind of lost wax casting technology for precision casting with a variety of patterns and fine Text of Zhong Ding and products such as containers, such as the Spring and Autumn when the statue of the tomb site, and so on. Tomb sites chassis respect for each other more than the winding-long, they both connected, staggered up and down to form a multi-layer in the middle of the hollowing-like moire patterns, those patterns with ordinary precision casting process is difficult to manufacture, use and lost wax method Casting process, you can not use paraffin strength, easy-to-carved features, you can use common tools and carving out to be the tomb site, like the wax statue of the craft materials, and then pouring additional systems, paint, off Wax casting, you can be beautiful statue tomb site.
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(These two points are connected, plus they are both connected to the original point).
(四个点中的两个点相连，加上它们又都与最初的一个点相连)。
(These two points are not connected, plus they are both not connected to the original point).
(四个点中的两个点不相连，加上它们又都不与最初的一个点相连)。
It can provide or require (or both) any interfaces, as long as they are compatible with any service ports that it is connected to.
它能够提供或者要求(或者两者皆是)任何接口，只要它们同与其相连接的任何服务端口都兼容即可。
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