释义 |
boron ores 基本例句 硼矿 East Yingkou area is one of important localities of boron deposits in China.营口东部区是我国硼矿重要产区之一。 The Miaogou boron deposit occurs in granulitite of Liaohe group,lower proterozoic erathem,locating at Daxicha village,Kuandian town,Liaoning.辽宁宽甸大西岔乡庙沟硼矿赋存于下元古界辽河群含硼变粒岩层位。 |