positive crankcase ventilation filter element 曲轴箱强制通风滤清器滤芯
filter ventilation 过滤式通风
Air Filter Units for Ventilation 通风用空气过滤器装置和电动空气清洁器的试验方法
gas-filter ventilation unit 滤毒通风装置
Nicotine yielded a less complex model, with ventilation again serving as the largest predictor (40% of variance), with tobacco weight and filter length serving as significant contributors.
有关尼古丁的模型复杂程度较低，过滤嘴的通风性能再次成为最大的预报器，影响比例占到40%，与此同时，烟草重量和过滤嘴长度同样产生重要影响。
In the ventilation preparation area, the saturated filter board can be conveniently placed in the container.
在通风的准备工作区，饱和的过滤纸板可方便的放入容器中。
The main fuel tank must have all the following: a filler tube, a ventilation system, fuel pickup tube and filter, plus a gauge-sending unit.
油箱必须装备以下元件：加油管、油箱通风系统、吸入管、滤清器和油量传感装置。
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