The machine-stamped loading bars wit花公h special slots for 弟報accommodating the inserts廠市 and the pre-cut inse子和rts themselves are pressed togethe人師r by a large capacity亮還 hydraulic machine, b個頻y such way the press-locked grat老這ing is formed. The verti懂訊cally arranged loadin水照g bars .and inserts produce a ve暗畫ry uniform mesh pattern.
The following are the two major types校醫:
1、Press Locked Grating:L我玩oading bars and inse畫土rts with different height舊金s.(Figure 一(yī) shows)
2、Full Grating:loading bars and i風笑nserts with the same height.(Figure 二河一 shows)
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