The re-entrant cavity has a resilient portion to facilitate the removal of the building product without detrimental affect to the hook-like protuberance.
凹槽具有弹性部分以方便移除建筑制品且未对至少一个钩状突起产生有害影响。
The re-entrant cavity has a resilient portion to facilitate the removal of the building product without detrimental affect to the hook-like protuberance.
凹槽具有弹性部分以方便移除建筑制品且未对至少一个钩状突起产生有害影响。
应用推荐