The distribution gutter should be regularly cleaned to prevent blockages and ensure proper drainage.
配水槽应定期清洁,以防止堵塞并确保正常排水。
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But as a general rule Bertha checked the sarcasms that constantly rose to her tongue.
然而总的说来,伯莎堵住不断涌到她嘴边的冷嘲热讽.
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However , with heavy hydration a large amount of Al _ 2 O _ 3· nH _ 2 O may block the pores.
深度水化,由于有大量的水化产物Al_2O_3·nH_2O析出而使催化剂微孔堵塞.
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The enemy made a desperate attempt to seal off the gap through which we had burst.
敌人拼命想堵住我们已经冲开的那个突破口.
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A variety of schemes to either block up or seal off the blowout preventer are in development.
各种各样的计划,要么堵塞要么封闭防喷器的发展。
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Massen von Menschen hingen an den Fenstern und s & auml ; umten die Stra & szlig; en.
大量的人 挤 在窗前或者拥堵在大街上.
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