platinum needle 白金针 ; 接种针
platinum-iridium needle 铂铱针
platinum resistance temperature needle 铂电阻测温探针
Once set, the gelatin surface was seeded by picking up a minute quantity of bacterial cells on a platinum needle.
固态化后，用一白金丝蘸取小量细菌细胞接种在明胶表面上。
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