All gas line support brackets and tie rods will be galvanized type. 气体管路所有的支架都要镀锌防腐。
Here the tissue has been silvered so that you can see the network of fine reticular fibers that support all the blood forming cells. 本图片中银染后可以显示骨髓中纤细的网状纤维,构成造血组织的支架。