high-grade

He always got high grades in school.

他在学校里总是得高分。

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，采用金红石法生产高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高、使用寿命长。

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

材料采用原始森林优质树种，水曲柳、柞木为原料。

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高冰镍溶液采用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，是一家生产销售高级船用五金专业企业，长期为中外船舶行业配套服务。