high-grade

He always got high grades in school.

他在学校里总是得分。

She boasts of her high grades in school.

她夸耀她优秀学习成绩。

The practice shows that smelting high grade ferrotitanium with rutile by thermite method is feasible.

实践证明，金红石铝热法钛铁在技术上是完全可行。

Lambency floodlight: Tall, service life grows efficiency of high grade lambency lamp glow.

优质柔光灯发光效率、使寿命长。

Material adopt Russia primeval forest high grade seeds of trees , ashtree , oak wood are raw material.

材俄罗斯原始森林优质树种，水曲柳、柞木为原。

The process of decoppering through insoluble anode electrolysis in the solution produced by leaching high grade matte nickel using chlorine is intro-duced in this paper.

本文介绍了氯化浸出冰镍溶液不溶阳极电解脱铜方法。

Shanghai KoBo is one provider focused on high grade ironware and metal products in vessels. We play important role in the supplemental service of shipbuilding industry with rich experience.

上海康博五金制品有限公司，是一家销售级船五金专业企业，长期为中外船舶行业配套服务。