Test method for the dead space of filtering particle respirator.

过滤式防微粒口罩死腔的试验方法.

互联网

Activated dead bone, dead space, repair damaged bone tissue, so that the new bone regeneration.

激活死骨 、 死腔 、 修复受损的骨组织, 使新骨再生.

互联网

The working drag in that reduces cost arrives each link of production, cannot take dead space.

降低成本的工作牵扯到生产的各个环节, 不能留死角.

互联网