单词	brest beam
释义	brest beam 纸悬臂梁,单斗挖土机
随便看	elasticity of lung elasticity of main plastid elasticity of market demand price elasticity of money wage elasticity of mooring elasticity of muscle elasticity of nonisotropic body elasticity of output elasticity of ownership elasticity of power elasticity of price elasticity of production elasticity of productivity elasticity of response elasticity of shape elasticity of shear elasticity of shearing elasticity of substitution elasticity of substitution of factor elasticity of supply elasticity of supply commodities elasticity of supply of commodities elasticity of supply of factor elasticity of supply of labor elasticity of supply of labour