... 景德镇：jingdezhen 井壁管：casing pipe 精整作业线：finishing line ...
基于66个网页-相关网页
... 井底座 chamber body 井壁管 raiser 井壁接管件 additive connection ...
基于1个网页-相关网页
短语
盘形井壁衬管悬挂器
disk wall liner hanger
井壁及尾管封隔器
bottom wall and anchor packer
套管-井壁环空
casing-hole annulus
;
casing-to-hole annulus
套管井壁环空
casing-to-hole annulus
薄壁滤水井管
Thin-walled filter pipe of well
·2,447,543篇论文数据，部分数据来源于NoteExpress