单词	multigrade
释义	multigrade /ˈmʌltɪɡreɪd / noun 1An engine oil meeting the requirements of several standard grades.‘Use multigrade oil in your engine because it reduces drag, service your car regularly, use a logbook to record your fuel purchases and establish lift clubs where possible’, she said.... It's proven to provide better rust protection than standard monograde and multigrade oils when subjected to the industry-standard humidity cabinet test. For example, it is possible to decrease the amount of fuel consumed by modern cars by up to 5% simply by switching from a typical multigrade oil to a ‘friction-modified ‘lubricant with a lower viscosity.’ 2 trademark A kind of photographic paper made with two emulsions of different sensitivities, from which prints with different levels of contrast can be made using colour filters.It has a dial-type timer, instead of one which displays the numbers like a digital clock, and it has a swing-out red filter from before the time of multigrade papers.... I bid on a set of multigrade filters for adjusting the contrast of your print and then, after finding only one working example at college, also bid on a focus finder.
随便看	penelopise penelopize penelopyze peneplain peneplained peneplanation peneplaned Penest penetrability penetrable penetrably penetralia penetralium penetrameter penetrance penetrancy penetrant penetrate penetrating penetratingly penetration penetration agent penetration aid penetration twin penetrative

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