“well-rig”的概念、定义、翻译、参考文献-科学参考

单词	well-rig
释义	well-rig Encyclopedia 工学水利机械释 well-rig打井机械用来开发地下水资源的机械，包括各式钻机（又称打井机）、水泵（泥浆泵），以及与其相配套的卷扬机等。
随便看	matrix cube root matrix data analysis matrix decomposition matrix decomposition theorem matrix deflation matrix diagonalization matrix diagram matrix differential equation matrix-diffusion transdermal patches matrix direct product matrix direct sum matrix displacement method matrix display matrix divided into blocks matrix double-sweep method Matrix Effect matrix effect matrix element matrix elements matrix elements of momentum operator in position representation matrix encoder matrix equality matrix equation matrixer matrixExp

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