automatic sampler meaning in Chinese

自动采样器
自动取样机
自动取样器；自动进样器

Standard guide for sampling wastewater with automatic samplers
使用自动取样器的废水取样标准指南
Petroleum liquids - automatic pipeline sampling - statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids
液态原油.自动管线取样.测定烃类液体中水含量的自动取样器的性能统计评估
From the error resource , this paper emphatically analyzes the cause that the metering error produces in the process of crude oil metering with this flowmeter , and discusses the necessity of insulating the prover , installing the automatic sampler and automatic water cut analyzer
着重从误差的来源分析了用容积式流量计进行原油计量产生误差的原因，指出了体积管保温、安装自动取样器和自动含水分析仪的必要性。