db例句_释义
db 朗读
db
db翻译
db双语用法和例句
- 1 . DB can be replaced while the furnace is at operating temperature.
- 当熔炉内温度在操作范围内时DB型 硅碳棒可以被替换.
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- 2 . B & W products have achieved CE 、 UL 、 DB 、 ROSH and other international approvals.
- 我公司的产品已取得CE、UL、DB、ROSH等国际认证.
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- 3 . A DB - 624 quartz capillary column and a FID were used.
- 采用气相色谱法, DB-624石英毛细管柱,氢火焰离子化检测器(FID),程序升温,检测器温度为300℃.
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- 4 . Using DB - FFAP Wide Bore capillary column and n - propanol as internal standard.
- 采用DB-FFAP大口径毛细管柱,以正丙醇为内标进行定量.
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相关单词
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