water sampling短语¹⁴⁴⁹⁷²⁺² 基本例句 水样采集,采水样 This water sampler consists of water diverting device, water sampling controller, the locating device, the controlling electric circuit and the single- board computer system. 采样器由引水装置，采水量控制装置、定位装置、控制电路、单板机系统构成。 cnki