1) Reinforcement of large opening at tower bottom
塔底大开孔补强
3) Opening reinforcement
开孔补强
1.
Opening Reinforcement Design of Pressure Vessels in Normal Design Codes;
浅析压力容器常规设计规范中的开孔补强设计
2.
A Discussion on the Opening Reinforcement of the Nozzle of the Large Spherical Tanks;
大型球罐接管开孔补强的探讨
3.
Solution of Opening Reinforcement for Pressure Vessel;
压力容器开孔补强及处理办法
5) opening-reningreinforcement
开孔-补强
6) reinforced opening
补强的开孔
补充资料：开塔印
【开塔印】
（印相）作塔印，其二大指间少开也。(参见：率都婆印)
（印相）作塔印，其二大指间少开也。(参见：率都婆印)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条