The study of the insurance′s structure of hydrogen-oxygen flame welding and cutting machine;
氢氧焰焊、割机回火保险器结构的探讨
Design and finite element analysis of a new flash-back arrestor faced on oxyhydrogen flame;
一种新型氢氧焰回火防止器设计及有限元分析
Arrester for dissolved acetylene cylinders
GB12136-1989溶解乙炔气瓶用回火防止器
a locking device that prevents a weapon from being fired.
防止武器走火的锁状装置。
It prevented backfire of natural gas that brings deflagration and guaranteed burner safety.
为防止天然气回火造成爆燃提供安全保证依据。
Confine fire spark range with fire proof sheet.
用防火材料制成防火屏防止火花喷射。
Resistant to catching fire.
耐火的能防止着火的
Series774 XDCDA Double Check Detector Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply.
系列747XDCDA双止回阀检测器总成用于防止污水回流进入饮用水系统中。
Provide check valves. Back-pressure protection is needed to prevent damage to the regulator. Gas from a high-pressure system can flow back into the regulator.
提供止回阀。需要回压保护，以防止损坏调整器。来自高压系统的气体可能回流到调整器。
a wire net to stop sparks from an open fireplace or smokestack.
防止火花外射的金属网。
Use check valves to prevent reverse flow in to the cylinder.
使用止回阀，防止回流入钢瓶。
Use a check valve to prevent reverse flow into the cylinder.
采用止回阀，防止回流入钢瓶。
A kiln or part of a kiln in which pottery can be fired without being exposed to direct flame.
隔焰窑烧陶器时炉内防止火焰直接与之接触的隔焰窑或其一部分
A fast interlock circuit has been inserted into the RF system in order to protect the circulator.
为了防止环行器打火受损,建立了快速联锁保护电路,该电路在历次打火中成功地保护了环行器.
Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders. Use a check valve to prevent reverse flow into the cylinder.
使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。采用止回阀，防止回流入钢瓶。
combination burglar alarm and fire alarm
防火防盗复合报警器
vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dry.
气体通过沸腾的液体被压缩然后流回防止它蒸干的容器。
The import of firearms is forbidden.
火器进口是被禁止的。
a prohibition against the sale of firearms
禁止出售火器的法令.
The Import of firearms are forbid
火器进口是被禁止的