pre ion hose 压力软管
Pre script ion 处方药
admi ion pre ure 进气压力
expa ion-pre ure tester 膨胀压力测试器
final compre ion pre ure 压缩终压力
pre dict ion 预言
pre-engineered su re ion system 预制标准间的灭火系统
percu ion pre 撞压机
Pre e script ion 处方药
compre ion pre ure 压缩压力
Water containing no ions other than hydrogen, oxygen and hydroxyl ions. Usually produced through the use of ion exchange resins and used for the final rinse in pre-treatment processes.
除氢、氧、氢氧根离子而不含其它离子的水，一般是用离子交换树脂生产，用于前处理工艺的最后一道水洗。
The paper describes the pretreatment of the waste water by using ion chromatography to determine inorganic ions, and discuss the preparation and regeneration of the pre-processing column.
本文介绍了用离子色谱法测定无机阴离子，对污染严重的水样通常采用预处理柱法。
Ion micro beam technique has been successfully used to precisely deposit a given number of particles into the pre determined position of individual cells.
微离子束提供了对选定的细胞注入预定数目的离子并精确地注入到指定位置的技术。
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