铤，从金，廷声。本义是未经冶铸的铜铁，有用尖刃向前猛刺意。铤而走险指没有办法，只得冒险。
钻铤 [油气] drill collar ; bottom collar ; collars ; Drilling collar
铤而走险 Take risks ; neck or nothing ; Machine Gun McCain ; Necessity knows no law
富铤 Fortei
六方钻铤 [油气] hexagonal drill collar
铁铤 persuader ; crowbar
无磁钻铤 [油气] non-magnetic drill collar ; NMDC non-monel collar ; NMDC nonmagnetic drill collar
螺旋钻铤 spiral drill collar ; spiral collar ; spiral-grooved drill collar
铤而走险的 desperate ; get desperate ; In desperation ; Make a desperate move
铤而走险地 neck or nothing
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