分析履带行走机构支重结构，在各机型中使用不同支重结构的可行性。
Analyse bearing structure with the crawler, its feasibility for variant bearing structure in variant pattern machine.
现已拥有了国际先进的印刷设备，并形成了一支重管理和重技术的队伍。
Already had the international advanced printing equipment, and has formed a heavy management and the heavy technical troop.
若因螺栓折损而使相关部件破损及托链轮或支重轮磨偏，将大大增加维修费用。
If impairment of the relevant parts bolt breakage and entrusted sprocket or supporting wheels grinding side, will greatly increase the maintenance costs.
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