单词	jack truss
释义	jack truss noun : a minor truss in a hip roof used where the roof has not its full section Word History Etymology jack entry 1 (something smaller)
随便看	professionally professionals professionary professionist professionless professions professor professor or professor ordinarius professorate professorates professordom professoresses professorial professorially professoriat professoriate professoriates professoriats professors professorship professorships proffer proffer agreement proffer letter

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