中英汽车词汇(七) ... 湿型铸造 green sand casting 加压铸造 compresson casting 机械化铸造 machining casting ...
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plane compressional wave 平面压缩波
compressional wave front 压缩波波前
sparse compressional wave 稀疏纵波
centered compressional wave 有心压缩波
compressional wave vibrator 纵波可控震源
The P wave, or compressional wave, alternately compresses and expands material in the same direction it is traveling.
波，或称压缩波，在其传播过程中在同一方向交替压缩和拉伸介质（见上图）。
For clean sandstone, the acoustic dispersion of compressional wave exists obviously when its porosity is more than 28%.
对纯砂岩，当孔隙度大于28%时存在明显纵波声频散。
Three component data acquisition with compressional wave source was applied to YC area for predicting fracture reservoir characters.
为了探测yc地区裂隙型储层特征，在该区进行了纵波源三分量数据采集。
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