1.
Development of the CO_2 Automatic Welding System for the Filter Collection Hood of the Attracting Oil Piep
吸油管集滤器罩CO_2自动焊接系统的开发
2.
Design of Digital Filter Based on FRM in Multi-Carreier Communication;
基于频罩法的多载波通信中的数字滤波器设计
3.
a mask with a filter protects the face an lungs against poisonous gases.
保护面部和肺部免受有毒气体伤害的一种带过滤器的面罩。
4.
filter for dust respirators
防尘口罩用过滤材料
5.
Test method for filter efficiency of filtering particle respirator.
过滤式防微粒口罩过滤效率的试验方法.
6.
positive pressured, powered dust hood and blouse
气体供应式滤尘头罩及上衣
7.
Test method for the dead space of filtering particle respirator.
过滤式防微粒口罩死腔的试验方法.
8.
General technical requirements for self-inhalation filtertype dust respirator.
自吸过滤式防尘口罩通用技术条件.
9.
Improvement the Mixed Gas Filter System for Annealer Furancel of Cold Roll Mill
冷轧罩式炉混合煤气过滤系统的改进
10.
hood support bumper
发动机罩托架防撞器
11.
half-mask respirator
半面罩式呼吸防护器
12.
enameled reflector
珐琅反射器珐琅灯罩
13.
Rothemuhle regenerative air preheater
风罩再生式空气预热器
14.
differential drive pinion cage bearing
差速器主小齿轮轴承罩
15.
bag valve mask resuscitator
胶囊活门面罩复苏器
16.
Those patients should be given a face mask to wear, preferably one that provides filtration of their expired air.
必须拿口罩给病患戴上，口罩最好能过滤患者呼出的空气。
17.
leaf for intermittent vacuum filters
间歇真空过滤器滤叶
18.
Polymer filter/elements/fibermets
聚合物过滤器/部件/滤芯