请尝试用英语回答下列问题

1.It's.used to separate water and impurities from oil. 2.They're fresh water cooling system and sea water cooling system.

1.It's used to separate water and impurities from oils. 2.They are sea water cooling system and fresh water cooling system.

1. It's used to separate water and impurities from oils. 2.They are sea water cooling system and fresh water cooling system.

1.It is used to separate water and impurities from oils. 2.They are sea water cooling system and fresh water cooling system.

It is used to separate water and impurities from oils They are sea water cooling system and fresh water cooling system

It is used to separate water and impurities from oils. They are sea water cooling system and fresh cooling system.

1. It's used to separate water and impurities from oils 2.They are sea water cooling system and fresh water cooling ststem

1.It’s used to separat&nbsp;water and impurities from oils. <div>2.They are sea water cooling&nbsp; system and fresh water cooling system.</div>

<span style="caret-color: rgb(0, 0, 0); -webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);" >1.It's.used to separate water and impurities from oil. 2.They're fresh water cooling system and sea water cooling</span>

It&#39;s used to separate water and impurities from oils. The are sea water colling system and fresh water colling system.

1.It&#39;s used to separate water and impurities from oils. 2.They are sea water cooling system and fresh water cooling system.

1.it&#39;s used to separate water and impurities form oils. 2.They are sea water cooling system and fresh water cooling system.

1.It used to separate water and impurities from oil. 2.They are sea water cooling system and fresh water cooling system.

1 It is used to separate water and impurities from oils 2 They are sea water cooling system and fresh water cooling systen

1 It is used separate water and impurities from oils 2 They are sea water cooling system and fresh water cooling system

2 thery are sea wate cooling cystem and fuse wate colling cystem 1 itis used to separatate wate and impuitties from oil

1 It&#39;s used to separate water and impurties from oils. 2They are sea water cooling system and fresh water cooling systen.

1.it&#39;s used to separate water and impurities from oils 2.they are sea water cooling system and fresh water cooling system

1 It is used to separate water and impurities from oils 2 They are sea water cooling system and fresh water cooling systen

1It’s used to separat water and impurities from oils. 2.They are sea water cooling system and fresh water cooling system