The contractor shall retighten the nuts one week after joint installation and a second time just before final lining and leveling of the track.
承包商应于接头安装后一周重新拧紧螺母，并就在轨道最终衬砌和整平前再一次拧紧。
The second is the conflict between the contractor priority and the purchaser's right, the author's legislative suggestion is to strengthen the supervision of the sales fund.
二是承包人优先受偿权与购房者权利之间的冲突，提出了加强和完善房屋预售款监管的立法建议；
The second is the conflict between the contractor priority and the purchaser's right, the author's legislative suggestion is to strengthen the supervision of the sales fund.
二是承包人优先受偿权与购房者权利之间的冲突，提出了加强和完善房屋预售款监管的立法建议；
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