-- 提高水果 、 蔬菜和木本食物供给水平.-- Increasing the supply of fruit, vegetables and arbor foodstuffs.在一些植物中, 包括绝大多数的木本作物, 硝态氮并非经常存在于叶片中.In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves...
He leaned back in the swivel chair and locked his fingers behind his head...他仰靠在转椅上,十指交叉枕在脑后。Hoses - Three 6 foot color - coded hoses with female threaded swivel couplings.三条6英尺长彩色软管,带内螺纹旋转接头.The practical side - swivel ...