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聚氨酯推进剂
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聚氨酯推进剂
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固体推进剂
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polyurethane propellant
聚氨酯推进剂
以聚氨酯为黏合剂,高氯酸铵等为氧化剂,加入能量添加剂、固化剂和键合剂等,经混合、浇注、固化成形的复合推进剂。
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black pepper
Black Peter
black pheasant
black phosphorus
black phosphorus quantum dot
black pine
black point of wheat
Blackpool
black poplar hybrids
black porcelain
black porgy
black pottery
black pottery bowl with pig pattern
black pottery of Hemudu culture
black pottery of the Liangzhu culture
black powder
Black Propaganda
black propaganda
black radiation
black rat
black rhinoceros
Black River
Black River Range
black rockfish
black scale
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