大家在查：巴特利特 metalloproteinase 屡教不改 take card graduals jardiniere provision set 共同市场 native population northern part

use gear

use gear

use gear

use gear

2

The main method is to use gear transmission equation of no flank gear clearance , and the method is feasible after putting it into practice .

应用无侧隙啮合传动方程式，阐述改磨插齿刀的原理和计算方法，并通过实例加以说明。

4

Therefore , we must use gear -board pumpingcore institutions , using hydraulic cylinder to promote gear-board and extrude the core .

因此采用齿轮板抽芯机构，用液压缸带动齿条推动齿轮板抽出型芯。

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