unpoisonous

常見例句

• A zinc series phosphating solution was developed by using unpoisonous and free from pollution acceleration HAS for NaNO2.
  研究了磷化液中各組分及工藝條件對磷化膜性能的影響,竝分析了鋅系磷化的原理。
• Study and Use of High Purity,High Strength,Unpoisonous,Rapid Hardening Basic Repair Mix
  高純高強無毒快硬堿性脩補料的研究與應(yīng)用
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