special pig iron是什么意思

用法例句

The paper presents a new type of special semi-trailer which can dump goods at both sides.

双侧自流自卸半挂车是一种新型的可向汽车两侧同时倾卸货物的特种自卸半挂车。

This article introduced several major special coatings and it's development direction,and told the special coatings will become a hot in the 21st century coatings market in our country.

简介了几种主要的特种涂料和特种涂料的发展方向,特种涂料将成为21世纪我国涂料市场的热点。

Probe and practice of teaching reform of non-traditional machining practice;

特种加工实习教学改革的探索与实践

Design and realization of the non-traditional machining CAI courseware based on multimedia;

基于多媒体技术的特种加工CAI课件的设计与实现

Practice-teaching of non-traditional machining;

特种加工实习的教学实践

Influence of special cement on the property of Portland cement;

特种水泥对普通硅酸盐水泥性能的影响

Laboratory tests and industrial - scale production prove that gold mine tailing sand is a high quality raw material to produce special cement.

研究了金矿尾砂的化学组成、矿物组成、颗粒分布、易磨性和热反应特性，并通过实验室试验及工业性生产确证金矿尾砂是一种生产特种水泥的优质原料。