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cleaning agent and pre-membrane agent
释义
cleaning agent and pre-membrane agent
Encyclopedia
工学
清洗剂和预膜剂
释
cleaning agent and pre-membrane agent
清洗剂和预膜剂
一类具有清洗作用的溶解性化学品称为是清洗剂。在金属表面清洗后加入一定量的水溶解性化合物,能在金属表面预先形成保护膜的一类化学品,称为预膜剂,也称为钝化预膜剂。
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subdivision surface
subdivision surfaces
sub-DLAs
subdomain
subdomain method
subdominant
subducting plate,descending plate,underthrusting plate
subduction and subduction zone
subduction boundaries
Subduction Factory
subduction factory
subduction roll-back
subduction zone consuming boundary zone
subdued light
subduplicate
subdural abscess
subdwarf
subdwarf B star
subdwarf O star
subdwarf sequence
subdynamics
Subei coastal current
Subei donkey
Subei grassland
Subei Mongol Zizhixian
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