комбинированный коэффициент(The sum of an expense ratio and a loss ratio. An underwriting profit occurs when the combined ratio is under 100% and an underwriting loss occurs when the combined ratio is over 100%. (G))
буровое долото с запрессованными поликристаллическими алмазными резцами(Halliburton Energy Services' product service line, Security DBS, announced the commercialization of its Millennium Series fixed cutter bit. While conventional impregnated bits typically employ a slow grinding action that fails formation, the new design-for-formation Millennium Series bit is able to incorporate an advanced synthetic diamond technology to micro-shear the formation.)
