All gas line support brackets and tie rods will be galvanized type. 氣體管路所有的支架都要鍍鋅防腐。
Here the tissue has been silvered so that you can see the network of fine reticular fibers that support all the blood forming cells. 本圖片中銀染后可以顯示骨髓中纖細的網狀纖維，構成造血組織的支架。
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電信業務許可證編號：滬B2-20190700
