欧洲的一种野豌豆,其花呈紫色,茎干细小; 用作篱障.European purple - flowered with slender stems; occurs as a weed in hedges.欧洲的一种野豌豆,通常被用来制草料和覆盖作物.European vetch much cultivated as forage and cover crops.欧洲的多年生有毒、野豌豆.European perennial toxic ve...
The technique was compared with clipping and gating techniques.并与常用的修剪和门限技术两种方法作比较.Bottom - gating provides a smooth flow of metal into the mold.底部装门提供金属流畅流程入模子.Understands high efficiency gating and gradient cooling tec...