1) notch ring
凹口环
2) recess
[英][ri'ses] [美]['ri,sɛs, rɪ'sɛs]
(1)槽，环槽，凹槽(2)切口，凹口
5) Sunken ring
凹环
6) Qikou sag
歧口凹陷
1.
Characteristics and exploration potential of lithologic-stratigraphic hydrocarbon reservoirs in Qikou Sag of Dagang Oilfield;
歧口凹陷岩性地层油气藏特征及勘探潜力
2.
Petroleum accumulation simulating of Qikou Sag,Huanghua Depression;
歧口凹陷油气聚集量模拟
3.
Cenozoic tectonic evolution of Qikou Sag and its relations to hydrocarbon traps in Bohai bay basion of east China;
歧口凹陷新生代构造演化与油气
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
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