5赵亚丽PDF文档下载 - 第一文档网 关键词:磷肥;玉米;养分吸收和分配;施肥深度 [gap=1999]Key words: phosphorus; maize; nutrient accumulation and distribution; placement depth
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Newer vehicles have dual-depth or dual-stage driver and passenger airbags and weight sensors that change the force of the airbag depending on occupant size, seat belt use and seat placement.
新型的交通工具有双深度或双阶段的司机和乘客气囊和重量感应器，根据乘员的大小、安全带的应用和座椅位置来改变气囊的力量。
The charge weight, charge placement(in profile) and depth of charges are important factors in design of Explosive Compaction for saturated loose sand.
沿处理深度方向上装药量、装药形式、装药深度是爆炸法密实砂土地基设计中比较敏感的设计参数。
The charge weight, charge placement (in profile) and depth of charges are important factors in design of explosive compaction for saturated loose sand.
装药重量、装药形式、装药的深度是爆炸法密实饱和砂地基设计中比较敏感的设计参数。
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