機(jī)械專(zhuān)業(yè)外文文獻(xiàn)翻譯-外文翻譯--發(fā)動(dòng)機(jī)冷卻系統(tǒng)
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機(jī)械專(zhuān)業(yè)外文文獻(xiàn)翻譯-外文翻譯--發(fā)動(dòng)機(jī)冷卻系統(tǒng)
外文翻譯 - 1 - 1 a in a if a of to to if to in of is We to be as as is a to 2 of to he in by a of is to is is by is is in is at to be to in to a of or or is to to to is of to it as as to ac to to to to 50 ℃ , to 95 ℃ , % 0 40 ℃ , in 0%. or of In of to to be to to to 文翻譯 - 2 - to if 0 ℃ , of ℃ A of %, is to in in of In if a of an of is of to of in of of is m/s to m/s. in 0%. to of to s m/s, or or 0 ℃ . of In of or by or to at in a or of in is is is is to O, HC Ox to in 00 ℃ . as 50 ℃ , 0 ℃ , to to % C 0% to be to 0 ℃ 0 ℃ , to or is up at to go in a In to to in to 文翻譯 - 3 - to In is by to to a if 0 ℃ to 10 ℃ , %CO 0%, HC 0%. is 0 ℃ , to is 2 ℃ 10 ℃ 00 ℃ s. 00s, to of 3 n of is to so on to in to of is to to a or of to be at a to ■ as 1is of of in 2be ie so Do so on or to so on 3to on on 4if to 0 □15 in 50 to to be to 6in to is if in to 4 文翻譯 - 4 - to do is on of do it do to be a of of in of a is of a It is of or or s on of on on an in or to of On to be in a to in of is is in a on at of It a of at it of a in a of to a be at a of 8 in a on be by to An is to a or of a is on it is of in or a be of of be be of A on of a in An on be on of to is is a 1 6 in be in of by of a of a is by is as is of be on a It is on is be in of be in on in 05 10 2 4 10 219 4 8 up 270 0 up 6582 a 30 13 –in to be on a on a or of on is 0% of In a is in of s is by in to or of is 外文翻譯 - 5 - of in 5 so In of a or is to a so or of To be to a in It is to to an is A is of on of be a be as is 外文翻譯 - 6 - 1 概述 隨著發(fā)動(dòng)機(jī)采用更加緊湊的設(shè)計(jì)和具有更大的比功率,發(fā)動(dòng)機(jī)產(chǎn)生的廢熱密度也隨之明顯增大。一些關(guān)鍵區(qū)域,如排氣門(mén)周?chē)釂?wèn)題需優(yōu)先考慮,冷卻系統(tǒng)即便出現(xiàn)小的故障也可能在這樣的區(qū)域造成災(zāi)難性的后果。