The cuticular penetration ability of avermectin Bia to Helicaverpa armigera Hubner were studied by using HPLC.本文报道用高效液相色谱法来测定复配剂及各复配单剂对棉铃虫幼虫的表皮穿透能力.Our aim is to achieve greater market penetration.我们的目标是进一步打入市场.The trade...
The floor is sealed to prevent water penetration.地板加了密封涂料防止渗水。Our aim is to achieve greater market penetration.我们的目标是进一步打入市场.It is important to get even distribution of water and good penetration.灌水时水量均匀分布和充分渗透是很重要的....
他一拧就把把手拧了下来.He pulled the handle off with a wrench.他猛力一拧, 将那把手拧了下来.With a violent twist , he wrenched off the handle.把毛巾再拧一拧吧.Give the towels another wring....
The manager replied with promptness and courtesy.那经理思路敏捷、彬彬有礼地作了答复.This promptness proved how strictly he had held to his word.这足以表示,他是多么谨守前约.He arrived with his customary promptness.他像惯常那样准时到达....