词汇	boron cast-iron
释义	boron cast-iron 含硼铸铁
随便看	variable field initial value variable field length variable field mark variable field marks variable field memory variable field record variable field speed control variable field storage variable-field storage variable field with prompt variable film resistor variable filter variable filtration variable filtration tomography variable firing interval variable firmware variable flame rate variable flow variable-flow variable flow control variable flow demand proportioner Variable-Flow Directed Rocket variable flow funnel variable flow heat-supply system variable flow hydraulic pump