It can be used to substitute completely or partially arbon black, white carbon black and PVC resin in the production of rubber and plastic articles.
可替代或部分替代炭黑和白炭黑及PV C树脂用于橡胶塑料制品的生产。
2
The Articles of Association of a company usually provide for the appointment of alternate or substitute directors.
一家公司的章程，通常有规定要委任交替或后补董事。
3
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