“natural sandstone testing”的概念、定义、翻译、参考文献-科学参考

单词	natural sandstone testing
释义	natural sandstone testing Encyclopedia 工学射孔质量评价释 natural sandstone testing天然砂岩试验采用天然砂岩制成标准试验岩心，经干燥、抽真空、氯化钠溶液（或煤油）饱和后，将岩心固定在橡胶套筒内制成砂岩靶，在常温、一定的压力和介质的井筒中射孔，测量岩心的穿透深度、靶板的穿孔孔径，评价射孔器性能的测试。
随便看	cardinal invariant cardinality cardinality function cardinality of a set cardinality of the continuum cardinality property cardinally equivalent set cardinal multiplication cardinal number cardinal number class cardinal number of a set cardinal number of the continuum cardinal of the Holy Roman Church cardinal plane cardinal point cardinal point of coaxial optical system Cardinal Principles of Secondary Education cardinal product cardinal signs cardinal sum cardinal vowels carding carding machine cardioblast cardio-cerebrovascular biomechanics

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