输气管加上内壁涂层，既可减少内腐蚀也大大降低了粗糙度，在同样条件下使输气管输气量增加5~8%，有的甚至高达10%。The inner wall coating on the pipe can reduce the internal corrosion and roughness. Under the same condition, the gas volume of the pipe can be increased by 5~8%, some even as high as 10%.
输气管加上内壁涂层，既可减少内腐蚀也大大降低了粗糙度，在同样条件下使输气管输气量增加5~8%，有的甚至高达10%。The inner wall coating on the pipe can reduce the internal corrosion and roughness. Under the same condition, the gas volume of the pipe can be increased by 5~8%, some even as high as 10%.
参考答案和解析
管线输量增加;内腐蚀减少
相关考题：
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共用题干Can Loud Music Cause Hearing Impairment（损伤）?Have you ever gone to a concert and realized that your seats were right next to thebooming speakers?Are you guilty_________(1)turning up the volume on your portablecassette or CD player to drown out the whining（哭哭啼啼）of your little brother? Sometimes it's difficult to avoid loud music or noises,but they can be bad news because loud noises can_________(2)temporary or permanent hearing loss.Extremely loud music and noises that go on for long periods of_______(3)are common causes of deafness.If a noise is so loud that you have to shout to make yourself_______(4),there is a______(5)that the mechanism inside your ear can beinjured.Temporary hearing loss can happen after you've been_______(6)to loud noise for only 15 minutes.If you have temporary hearing loss,you won't be able to hear as________ (7) as you normally can, and you may have tinnitus（耳鸣）,which is afancy word for ringing in the ears. Your ears can feel"full",too._________（8),these things usually go away and your hearing soon returns to normal.Permanent hearing loss can happen when someone is exposed to loud noise ________(9)and over. Construction workers and people who work in factories must ________(10)ear protectors because the equipment they use can be extremely loud. But even some lawn mowers（割草机）and power tools can permanently__________ (11)a person's ability to hear high-pitched noises and can also give him permanent tinnitus. Listening to extremely loud music over and over can also have the same effect on a person's ______(12).And using headphones on a portable cassette or CD player can be dangerous________(13)if the volume is too high and the headphones are used a lot, the noise can damage the ears.The best way to avoid hearing loss is to wear ear protectors when working with machinery and earplugs when going to a_________(14).Headphones are OK to wear when you're listening to music;just be sure the volume isn't too high,and give them a rest________(15)once in a while._________(1)A:of B:for C:at D: on
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