“drill collar wave”的概念、定义、翻译、参考文献-科学参考

单词	drill collar wave
释义	drill collar wave Encyclopedia 理学随钻声波测井释 drill collar wave钻铤波安装在钻铤上的随钻声波测井仪器，在进行声学参数随钻测量过程中，发射器向地层辐射声波的同时沿钻铤传播的那部分声波。钻铤位于钻柱的最下部，钻铤比钻杆的壁厚大、刚度强。
随便看	low power light emitting diode chip low power light-emitting diode package low power objective low power processor low power technology low-power telescope low-power theorem low pressure carburizing low pressure casing spray low pressure casting low pressure chemical vapor deposition low pressure chemical vapor deposition, LPCVD low pressure chemical vapour deposition low pressure cold plasmas low-pressure die casting low pressure gradient low-pressure gradient low pressure operation low-pressure physics low-pressurepipe irrigation low pressure plasma low-pressure plasma low pressure polyethylene low pressure sodium lamp low pressure sodium(vapour) lamp

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