1) orifice flange
孔板法兰
2) blank flange
法兰盖，盲板;闷头法兰，堵板;无孔法兰，封口法兰
3) blind flange
盲板法兰;无孔法兰;无孔凸缘
5) eccentric orifice with flange taps
法兰取压偏心孔板
6) manhole flange
人孔法兰
1.
The author of this paper thoroughly analyzed the leakage lead to by the manhole flange failure of T 303 spherical tank and made some calculations as well As a result,she found out the causes of the failure of the flange and put forward a series of corresponding measures for revampin
通过对炼化部T 3 0 3球罐人孔法兰失效造成泄漏现象进行分析、计算和论证 ,找出法兰失效的原因 ,提出相应的修改措施进行修复。
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
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