In everyday use, the stainless steel sink products will not rust, but if you use the sink properly, it will face a "mildew" "rust" and other phenomena, this is because the sink is not thoroughly cleaned after use, dirt stained attached to the tank surface, so after use, be sure to keep the sink clean. If the above phenomenon can buy without stimulating care products for cleaning
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Sagan is more concerned with those who believe in ghosts, creationism and other phenomena that contradict the scientific worldview.
萨根更关心那些相信鬼魂、神创论和其他与科学世界观相悖的现象的人。
Cable, is checked whether or not cracking, abrasion and other phenomena, if the damage should be reversed to prevent leakage.
检查电缆有无开裂、擦伤等现象,如有损坏应及时调换,以防漏电。
At the same time, check the oil system of the vehicle, the emergence of foam, turbidity and other phenomena should be replaced in a timely manner.
同时检查车辆各系统油液状况,出现起沫、浑浊等现象应及时进行更换。
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