这个露天矿场产出了这个国家15%的提纯稀石灰。
The corrosion mechanism is then discussed in terms of oxidation-sulfidation and scale fluxing models.在一定程度上腐蚀机制涉及氧化-硫化与氧化物的熔融等。
In this paper, the basic properties of superconducting switch for fluxing pump are discussed in detail.该文详细地讨论了用于磁通泵超导开关的基本特点。