piston corer

基本解释

Based on these theories, designs a new type of corer - pressure piston corer(PPC).
并在此基础上，设计出了一种新型的天然气水合物保真取样器。
At present, the gravity piston corer on the French Ocenaographic Rcarch Vessel LIATALANTE is known to be more advanced collecting equipment not only in function but also in safety.
法国“阿塔郎特”号海洋调查船上的重力取样管不管在性能上，还是安全性上都瞰称世界上比较先进的取样设备。