unpoisonous

常见例句

• A zinc series phosphating solution was developed by using unpoisonous and free from pollution acceleration HAS for NaNO2.
  研究了磷化液中各组分及工艺条件对磷化膜性能的影响,并分析了锌系磷化的原理。
• Study and Use of High Purity,High Strength,Unpoisonous,Rapid Hardening Basic Repair Mix
  高纯高强无毒快硬碱性修补料的研究与应用
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