protective mask filter 防护面罩滤器
mask filter canister 面具滤毒罐
spatial mask filter 空间屏蔽滤波
Select Filter Mask 选择过滤罩框
filter for respiratory mask 呼吸面具过滤器
filter mask 过滤面罩 ; 过滤器面具
self-inhalation filter type dust mask 自吸过滤式防尘口罩
Mask Generator Filter 可以使某种颜色或亮度透明
FILTER MASK MAKING MACHINE 无纺布过滤型
In this paper, an improved spatial mask filter algorithm is proposed and applied in partial discharge pulse extraction.
提出了改进的空间屏蔽滤波算法，并将其应用于局部放电脉冲信号的提取。
In a gas mask designed to guard against a biological threat, a very fine particulate filter is useful.
预防生物威胁时，优良的微粒过滤器对防毒面具非常有用。
The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.
罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。
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