blind ram preventer
全封闭闸板防喷器
ram blowout preventer
闸板式防喷器
double ram type preventer.
双闸板防喷器
preventer of double ram type
双柱塞式防喷器
natural fibre incendiary preventer
天然纤维阻燃液
stuffing box type blowout preventer
盘根盒式防喷器
Four required per backflow preventer.
每个防回流阀需要四个。
blowout preventer of three stage packer type
三段密封器式防喷器
Design of shear ram for hydraulic blow out preventer
液压防喷器剪切闸板的设计
The dual check backflow preventer shall meet ASSE 1024.
这种双止回防回流阀应该满足美国卫生工程师协会1024标准。
We do not use this valve to control the blowout preventer.
我们不用这个凡尔管制防喷器。
We haven't had time to test blowout preventer this morning.
今天上午我们已经没有时间试防喷器了。
A check valve may be required ahead of the backflow preventer.
此时在防回流阀前面可能需要安装一个止回阀。
Discussion on the Structure of Wave Preventer for LPG Tank Car
液化石油气汽车槽车防波板结构探讨
The results show that the rust preventer functions fairly well.
结果表明该防锈剂得防锈效果显著。
For use with backflow preventer test cocks to protect from damage.
用于防回流阀测试旋塞，防止受到破坏。
We have been repairing the control system for b 1 owout preventer.
我们一直在修防喷器得控制系统。
Development and application of workover rig with blowout preventer.
防喷作业机的研制与应用。
The backflow preventer must be installed upstream of the regulator.
防倒流装置必须安装在调节阀得上游位置。
Installing a backflow preventer in a pit or vault is not recommended.
不建议在坑内或拱顶内安装防回流阀。
It has not been decided which kind of blowout preventer will be used.
将使用哪科防喷器还没奋决定。
The next approach to the well will focus on the the blowout preventer.
下一步措施将集中于防喷器口。
If you use preventer medicine, take it asby your doctor or asthma nurse.
如果你在使用预防药, 最好按照说明或遵从医嘱。
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