| 释义 |
preventer backstay
- preregistrationn. (办理正式手续前的)预先登记,预先注册
- 阻扰者zǔ rǎo zhě
preventer
- 后部支索撑物hòu bù zhī suǒ chēng wù
backstay
- 后牵索hòu qiān suǒ
backstay
- 妨碍物fáng ài wù
clag; deterrence; obstructive; preventer
- 妨碍者fáng ài zhě
intruder; obstructionist; preventer; interceptor; interrupter
- 筒式防喷器tǒng shì fáng pēn qì
bag-type BOP; bag type blowout preventer
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