During fabrication slots for the stringers flanges were flame cut into box girders.制造时,为安装纵梁翼缘,在箱型梁中用焰割法开槽口.The web and flanges of the main girders were fabricated from ASTM A 441 steel.主梁的腹板和翼缘用ASTMA441钢制造.The block is ...
作为一名社工，我每年仅挣15,000。I only pull in 15,000 a year as a social worker.她表达了对被一位社工采访的愤恨。She expressed resentment at being interviewed by a social worker.农场雇用了一名拖拉机手和两名杂工。The farm employed a tractor driver and two general labo...
Aah, that's not so bad, Walden thought. That we might be able to manage.啊, 这还不错, 沃尔登想, 这一点我们也许能够办到.The fluorescence of AaH - 1 is quenched by I ~ -, acrylamide and N - bromosuccini - mide ( NBS ).表明能改变AaH -1 的 pH 环境...