取心钻 meaning in Chinese
column drill
coring tool
drifter drill
Examples
- They lowered nets , dredges , bathythermographs , still cameras , water bottles , coring pipes , and current meters
他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
column drill
coring tool
drifter drill