I cautioned him many times but he paid no heed.我多次劝告,他都置若罔闻.Chris would have been well advised to heed the old saying "Never bite the hand that feeds you."克里斯本应听从那句老话——“千万不要恩将仇报”。He pays too much heed these days to my ne...
如果你用喷雾的形式为树浇水, 请远离附近的输电线.If you spray a tree, keep the water from nearby powerlightspower lines.数值模拟比较准确地模拟了高压旋流喷雾的涡旋现象.Numerical simulation also clearly demonstrates the swirling phenomena of the high pressure swirl inj...