I found it convenient to use a right Angle reducingfitting, followed by a gray threaded pipe, and a gray hose barb that threads onto the gray pipe.
我发现它方便使用直角减少拟合，其次是一个灰色螺纹管，和一个灰色软管烧烤认为线程上的灰色管道。
2
"Dare to be different, please don't smoke!" pleads one billboard campaign aimed at reducing smoking among teenagers—teenagers, who desire nothing more than fitting in.
“敢于不同，请勿吸烟！”这是一个旨在减少青少年吸烟的广告牌的标语，因为青少年最渴望融入他人。
3
The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.