橡胶树年龄不同，或在一年中的不同季节，胶乳中矿质元素百分含量和干胶产量均不同，最终导致胶乳中矿质元素的流失量存在差异。
Mineral element content and dry rubber content in latex varied with season or tree age, leading to final differences in loss of mineral elements from latex.
橡胶树年龄不同，或在一年中的不同季节，胶乳中矿质元素百分含量和干胶产量均不同，最终导致胶乳中矿质元素的流失量存在差异。
Mineral element content and dry rubber content in latex varied with season or tree age, leading to final differences in loss of mineral elements from latex.
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