Plainard普莱纳尔
plainadj.清楚的;简单的;坦白的;平常的;朴素的;纯的n.平原;广阔的区域adv.完全地;纯粹地
plain-and-fertilizer drill通用谷物肥料条播机
plain external grinding machine普通外圆磨床
plain thrust shoes type bearing平面推力瓦块式轴承
plain seasonally freezing river平原季节性冰冻通航河流
plain-clothes police officers便衣警察
plain circular knitting machine单面圆型针织机
plain grinding machining system普通磨床
plain grinding machine internal普通内圆磨床
plain life and arduous struggle艰苦奋斗
plain hematocrit capillary tube扁平红细胞压积毛细管