316或317不锈钢闸板具有很好的耐腐蚀性能.Gates are available, 316 or 317 steel for corrosion resistance.闸板防喷器是石油钻井过程中的一种重要设备.Ram - type blowout preventer is important equipment used in oil drilling operation.手动或执行机构推动摇杆使扇形闸板沿轴心旋转开启,物料随即下落...
Calmon has quoted ion exchange costs of $ 0.12 - 0 . 30 / 1000 gal for boron treatment.卡尔蒙提出的离子交换树脂处理硼的费用为0.12 ― 0.30美元/千加仑.B from the family of boron have autocatalytic effect.硼族元素对焦炭反应性起负催化作用.Boron - substituted polyar...
Eagle ensouls chickens that are free range, vegetarian and raised for eggs.而鹰类王国正在给那些自由放牧 、 素食、且饲养来下蛋的鸡群赋予灵魂.Earth now ensouls Mila and Oa and offers new souls to assist all ascending humans.地球现在赋予Mila和Oa灵魂,并提供新的灵魂来帮助所有的...
他兴趣广泛，涵盖了从美术到国际政治乃至哲学的各个领域。His interests extended beyond the fine arts to international politics and philosophy.他经营古董和美术品。He deals in antiques and fine art.美术书籍制作成本高。Art books are expensive to produce....