成材 [- cái]①(树木成熟， 达到“主伐年龄”， 可用作木料) grow into useful timber; grow to full size ②(成才) become a useful person ③(锯解原木所得成品) lumber; sawn goods 成材出材率lumber recovery成材堆垛机lumber stacker成材干燥lumber drying成材检量规lumber gauge成材林standing timber; mature timber成材心板胶合板lumber core plywood成材心板结构lumber-core construction