The blood flows from the capillaries back into the veins.血从毛细血管流回静脉.While Joe sleeps, a large percentage of his capillaries are inactive.当乔睡觉时, 他的毛细血管大部分是不工作的.His skin will flush - indicating that capillaries are operati...
建筑物周围洒布杀虫药也能防止昆虫孳生.Spraying the area around buildings with an insecticide also prevents insect build up.为油漆 、 清漆、亮漆及杀虫药制剂中最适合用之溶剂.Excellent solvent for paints, varnishes stoving enamels and insecticide formulations.建筑物周围...