drillable packer 可钻式封隔器
drillable permanent packer 可钻式永久封隔器
drillable depth 可钻及的深度
drillable drillshoe 可钻式钻鞋
drillable drill bit 可钻型钻头
drillable bridge plug 可钻桥塞
·2,447,543篇论文数据，部分数据来源于NoteExpress
It's an alloy not readily drillable.
这是不易钻洞的合金。
youdao
A retrievable or drillable packer is set above the formation to be cemented.
在要被注水泥的地层的上面坐封一个可收回封隔器或可钻封隔器。
Drillable analysis of the rocks should be strengthened and bit type selection should be well done.
加强岩石可钻性分析，做好钻头选型工作。
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