Test probing is the key process for determining host plant selection, and the chemical composition of the leaf surface wax may play an important role.
试验性刺探是粉虱确定对宿主植物选择的关键过程，而叶表蜡层中的化学物质可能起重要作用。
Monthly fine to play regularly waxing polishing one to two times, with little or no best oily solid wax, not towel wax, not hot sunlight or when the body waxing.
每月应定期精打抛光上蜡一至二次，最佳少用或不必油性固体蜡，不必毛巾擦蜡，不在阳光下或车体高温时打蜡。
It was found that the content and structure of asphaltene, wax and natural carboxylic acid play important roles in emulsification process.
本课题考察了与天然竣酸盐结构相仿的合成摸酸盐的乳化降粘性能。
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