词汇	ply turn dwon
释义	ply turn dwon n.正包边
随便看	tracing loop pass tracing loss tracing machine tracing management Tracing Management System tracing mark tracing, mask artwork tracing material Tracing Material Tracing Measurement tracing method tracing method current measurement apparatus tracing method current measurment apparatus tracing method of bioactivity tracing milling tracing missing consignment tracing model tracing movement tracing narrow gate tracing needle tracing object tracing observation tracing of drawing tracing of horizons tracing of material