这些刺激可能包括灰尘和污染，香烟烟雾，和其他刺激物。
These irritants may include dust and pollution, cigarette smoke, and other irritants.
家庭灰尘，可以看到包括猫毛，扭曲的合成和羊毛纤维，锯齿状的昆虫鳞屑，花粉粒，植物和昆虫尸体。
Household dust which includes long hairs such as cat fur, twisted synthetic and woollen fibres, serrated insect scales, a pollen grain, plant and insect remains.
洛克希德·马丁公司的设计特点还包括内部布线、快速装载以及对于沙、灰尘、雨水和战场极端温度条件下的重要部分的防护。
Lockheed Martin's design features internal cabling, rapid stowage and shielding for vital components against sand, dust, rain and extreme temperatures on the battlefield.
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