English translation for "maintain proper air purity"

保持适当的空气纯度

Related Translations:

maintain:  vt.1.保持；维持；继续。2.坚持，维护。3.供养，扶养。4.维修，保养。5.(坚决)主张；强调。短语和例子maintain discipline 维持纪律。 maintain peace and order 维持治安。 maintain one's ground (against) (对…)站稳[坚持]自己立场。 maintain oneself 自立。

purity print:  饱满深色印花

maintained discharge:  x型放电,始末放电,持续放电

maintaining stimulus:  维持刺激

maintain vitality:  保持活力永葆生机

cill maintain:  威克罗

maintain innocent:  坚持无罪

maintain order:  维持秩序

maintaining power:  储能器件

maintain contend:  坚持认为

Similar Words：

"maintain price" English translation, "maintain prices ie prevent them falling" English translation, "maintain principles with flexibility" English translation, "maintain project schedule" English translation, "maintain prolonged stability" English translation, "maintain public highway" English translation, "maintain reasonable evidence" English translation, "maintain records" English translation, "maintain reserves" English translation, "maintain safe distance" English translation