| 摘要 |
<p>A GATE VALVE (10) HAS SUPPORT MEMBERS (201A AND 201B) THAT ARE ATTACHED TO A MAIN BODY STRUCTURE (12) OF THE GATE VALVE ADJACENT TO THE VALVE GATE OPENING. THESE SUPPORT MEMBERS ARE AFFIXED ON BOTH SIDES OF THE VALVE GATE OPENING RADIALLY AROUND A GATE SLEEVE (52A AND 52B).</p> |
