Equip expiration blowout saver and galloping saver, which can meet the particular demand of the oil/gas well.
配备断气熄火保护装置和飞车保护装置，满足油气井场的特殊要求。
protection factor of protective device
保护装置的保护因数
Application of RCD in Electrical Fire Fighting
剩余电流保护装置在电气火灾防范中的应用
DISCUSSION ON FIRE PROTECTION AGAINST TRIETHYL ALUMINUM FIRE IN POLYPROPYLENE UNIT
浅谈聚丙烯装置中三乙基铝火灾的消防保护
Install head restraint.
安装头部保护装置。
KEY OFCLOSE ALL DOORS TO ENSURE COURTESY LAMP(S) IS OF
熄火。关闭所有门确保上车灯是熄灭的。
You find this odd contraption lost in the brush near an extinguished campfire.
你发现一个单独的精巧装置扔在一堆熄灭的篝火旁边。
Damage of Refractory in Inclined Duct Zone of Coke Dry Quenching System and Way to Prolong Service Life
干熄焦装置斜道区耐火材料的损坏及提高寿命的途径
o8L6UifK}K@Da K8N/QD?t~N/GD5F_w[ufgF3v@VrdE
零序电哩向保护装置
pilot-wire protectio
辅助导线纵联保护装置
underreaching protection
继电器失灵保护装置
air-gap asymmetry protectio
气隙不对称保护装置
belt conveyor protection device
胶带运输机保护装置
overreach distance protection equipment
过范围距离保护装置
circuit-breaker failure portection equipment
断路器失灵保护装置
crystal shutter
晶体检波器保护装置
Eye and Hearing protection
视力与听力保护装置
divided conductor protectio
绕组支路断线保护装置