This paper describes the methods of controlling the frame quality in terms of process design, mould design, control of deformation and defects from welding surface treatment, etc.
从工艺设计、胎具设计、控制焊接变形和缺陷、表面处理等各环节实行严格的品质控制，多年来生产出多种型号的车架全部为合格品。
The frame is well tolerated by patients for the extended periods of treatment that are often required.
固定架能被需要长期治疗的患者多耐受。
Push thrust construction, problem and treatment measures of frame bridge with big skew angle in soft ground are described in this paper.
叙述了在软土地区进行大角度斜交箱形地道桥的顶进施工及遇到的问题和处理措施。
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