Two rosin soap liquids were developed. The properties of the soaps were close to those of JRS-1 which is made by Japan.
试制了二种液状强化松香皂胶，其施胶性能超过国内膏状松香皂胶，达到日本同类产品的性能。
Two rosin soap liquids were developed. The properties of the soaps were close to those of JRS-1 which is made by Japan.
试制了二种液状强化松香皂胶，其施胶性能超过国内膏状松香皂胶，达到日本同类产品的性能。
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