园织机 、 拉丝机 、 收卷机 、 复膜机等各种机械塑料配件!Park loom, drawing machine, winding machine, Fumo and other machinery plastic accessories!介绍了一种基于ARM的拉丝机自动控制系统.An automatic control system of ARM - based wire drawing machine is introduced....
细胞的这种向里推进标志着原肠胚形成的开始.This pushing - in of cells marks the start of gastrulation.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织.The outer layer of a blastula that gives rise to the ectoderm after gastrulation....
我的小艇飞速驶过海湾。My craft zipped across the bay.短桨特别用于划独木舟和小艇.Paddles are used especially to propel canoes and kayaks.一只小艇缓缓驶近那艘大轮船.A small boat edged down upon the big steamer....