Pore-X ReTighten Mask 深层洁净毛孔细致面膜
Retighten all flange bolts in a star pattern in order to extrude rubber sleeve flange material.
为了将橡胶套管法兰挤出来，需要按照星形模式重新紧固所有法兰螺栓。
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。
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