分析了实现在线浓缩取样的关键技术，研究了蓄能器预充压力和采样筒保压效果的关系。
Key techniques of on-line concentrated sampling are analyzed and relations of accumulator precharge pressure and pressure-retaining results are studied.
深海微生物取样器的关键技术在于如何保持高压采样筒体的压力——6小时的压力变化不超过10%。
The key technique of the sampling machine lies in how to keep the pressure variety of the pressure-6 hours of the high pressure sample tube body not over 10%.
介绍了辊筒式采样器的结构及特点，并详述了取样过程与应用效果。
The structure and features of the drum type sampler are described and sampling process and application result are narrated in detail.
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