alkali free environment
... alkali antimonide碱金属锑化物 alkali free environment无碱环境 alkaline strippable resist由碱可除光刻胶 ...
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本环保型染色剂的特征是无盐无碱,不会污染环境。
The environment-friendly colorant is characterized by being free from salts, alkalis and environmental pollution.
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