词汇	green labour
释义	green labour 青年工人
随便看	material balance data material balance equation material balance flowsheet material balance method material balance period material balance principle Material Balance Report material balance reports material balance sheet material balance statement material balance study material balancing calculation material ball cage material bank Material Bank Management System material barriers Material base Material Base Command material bases material basis material basis for pharmacological efficacy material basis of medicinal effectiveness Material & Basis of Modeling material beauty material bed