For Droujkova, high-level math is important, and what it could use in American classrooms is an injection of childlike wonder.
对于杜洛埃科娃来说，高水平的数学很重要，可以在美国课堂上引起孩子们的好奇心。
With domestic and foreign precision injection molding machine, with processing high-level technical personnel and professional production team.
并拥有国内外精密的注塑成型机，拥有成型加工的高级技术人才及专业的生产队伍。
The noise from injection and bubbling has the character of wide frequency band and high noise level.
喷注与鼓泡产生的噪声具有频带宽、声压级较高的特征。
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