为建立用ICP -AES 技术分析测定硼铁的方法开展了试验研究.Tests were studied to make an approach to ferroboron by ICP - AES technology.高硼铁 基合金 是一种新型 耐磨 材料.High boron iron - based alloy ( HBIA ) is a kind of new wear - resistant material.氢氧化钠容量法测定...
请你重复一下那个问题,好吗?iterate 系 正式用语,指“一次或数次地重述” 、 “反复申说”,如:Will you repeat that question, please?在同一发情期排出两个或数个卵子.Two or more ova are shed during the same heat period.货物来自世界上的遥远的边隅, 在路途上要消耗数日或数月.From the far corners of the world...