boomerang gravity corer 自返式深海取样管
gravity drop corer 重力取芯器
gravity conjunction corer 重力岩心提取器
gravity-piston type corer 重力活塞式取样管
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Thus, it will improve the environmental research to study the sampling technology of gravity corer.
因此研究重力取样器的取样技术对环境研究具有积极的意义。
On the basis of such research, it also presents a portable gravity corer, which is regarded as a suitable sediment sampling tool for environmental research sectors.
研究了重力取样器的取样技术，并在此基础上成功设计了一种便携式的重力式取样器，非常适合环境研究机构的沉积物取样工作。
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