您要查找的是不是：
- 根系pHroot pH
- 根系descending axis
- 氮素形态对川梨培养介质pH及根系生长发育的影响Effects of nitrogen forms on the pH value of culture medium and root growth of Pyrus. Pashia Buch-Ham
- 船用ph值shipboard PH meter
- 这个囚犯脚上带着一根系有铁球的脚链。The prisoner is fettered with a ball and chain attached to one ankle.
- 低pHlow pH
- PH-20PH-20
- 这种植物的根系扎得很深.The roots of this plant go deep.
- 虚根系Weyl group
- ph复合电极pH electrode assembly
- ph.1. 嘲弄take the mickey
- 主根系axial root system
- 浅根系shallow root system
- 尿pH值Urinary pH
- V-pH图V - pH diagram
- 深根系deep root system
- 子根系subsystem
- 混凝pHcoagulation pH
- pH测量determination of pH
- 根系层root zone
