... 无斑口冷硬层，白口层 chills without motted zine 谐音汽笛 chime whistle 烟罩 chimney cap ...
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... hood [防护]罩，外罩，防扩罩；通风柜；烟囱帽；排汽口；(压力容器)顶盖 hood for fume 烟罩，集气罩 hood loss 排汽口损失 ...
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清除厨房烟罩， 风扇，厨房风喉的油迹。
Servicing & Cleaning of Exhaust Kitchen Hood, Fan and Ducting.
解决了低硅铁水炼钢粘枪、粘烟罩、脱磷困难等问题。
The problems such as dephosphorization and adhesion of slag to oxygen lance and helmet were settled.
叙述了引进的诺兰达炉转化设计、研制和与之相配套的密封烟罩的开发设计。
This paper describes design transformation and trial manufacture of Noranda reactor imported and development and design of sealed hood necessary for the reactor;
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