the quality of the output from the hold of the ministry of room structure

摘要

(1) the invention is in the field of technology.;the quality of the output from the hold of the ministry of room structure;(2) the purpose of;so, i accept the general composition of the lid part, according to the invention, the combination of a cover and seal the deal.;(3) the structure;the quality of the output from the hold of the acceptance, and the acceptance of the house is built with the combination of the above, the insertion part of the chin is above the threshold, with the above, i will accept it by elastic force of the wall, the the insert is attached to the coupling. in the process of expansion and contraction of the elastic piece, and the free side of the elastic coupling can help.;(4) the effect of;due to the elastic piece is easy to insert the insertion part and the wall of the elastic wall is close. the ability to maintain the waste characteristics.