crdiCOCA²⁰⁴⁶⁹⁵ 基本例句 common rail diesel injection 同轨柴油喷射 There were an obvious improving role for winter wheat root system growth with CRDI irrigation, representation of well- distributed root in soil and a large root density. CRDI对根系生长有显著促进作用，使根均匀分布在土壤中，且根长密度较对照大； cnki