The among them and most important is a certain type core and the construction of the type, for example adopt the whole the type of type still, and their fixed position and tight way of.
其中最重要的是确定型芯和型腔的结构，例如是采用整体式还是镶拼式，以及它们的定位和固紧方式。
From the engineering construction the characteristics set out, to curved face clear water concrete and space type steel the construction construction proceeds to chooses to order, fixed position.
从工程结构特点出发，介绍对曲面清水混凝土及空间异型钢结构施工进行选点、定位、复测。
Presented in this paper is a new advance in cutting tool material, index cutting tool, cutter holder for bidirection fixed position, dry type cutting, hard stale cutting etc.
介绍了刀具材料、可转位刀具、双向定位刀夹、干式切削、硬态切削等切削技术方面的新进展。
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