应告知生产调度需要多少这种垫圈.Production control needs to be informed how many such washers will be needed.何芬换好了垫圈,把马儿赶动身, 又动手干活.Hooven, the washer replaced , turned to his work again, starting up the horse.防雾, 防紫外线,防碎的聚碳酸酯镜片, 硅胶镜带及垫圈...
Plants from the high - lime plots grew better on calcareous soil.高石灰小区的植株在石灰质土上生成较好.Other plankton species in near equal numbers replaced calcareous microplankton as they died out.钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了.Calcit...
Twenty million years ago, Idaho was populated by dense primordial forest.2,000万年前,爱达荷州到处都是茂密的原始森林。Life's primordial reality is spirit.生命的根本真实性是精神.Twenty million years ago, Idaho was not the arid place it is now. Rat...