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sample cutter
dril. 岩心割刀
ecol. 取样爪; 岩心爪
eng.geol. 岩芯提断器
met. 切样器; 试样切割器
oil 试样截取器
tech. 劈样器
textile 试样切取器
sample cutter: 7 phrases in 3 subjects
Engineering geology2
Metallurgy2
Technology3