To take samples that retain the larger structure of the sediment, a core sampler is used.
为了保持样品沉积物的层次结构，就要用空心铁管采样器。
The parameters of water inlet conduit of the time-accumulating sediment sampler are one of the key factors for the flow rate at water inlet.
积时式悬沙采样器进口管路的结构和几何参数是影响采样器管嘴进口流速的关键因素之一。
To take samples that retain the larger structure of the sediment, a core sampler is. used.
为了保持样品沉积物的层次结构，就要用空心铁管采样器。
To take samples that retain the larger structure of the sediment, a core sampler is. used.
为了保持样品沉积物的层次结构，就要用空心铁管采样器。
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