完全培养液 complete culture solution
含有植物生长所必需的全部营养元素的适应于植物所需pH、养分形态和生理平衡的培养液。
() are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
() are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧