“N rod bit”的概念、定义、翻译、参考文献-科学参考

单词	N rod bit
释义	N rod bit [`en `räd ´bit] ^{DESIGN ENGINEERING} A Canadian standard noncoring bit having a set diameter of 2.940 inches (74.676 millimeters).
随便看	single-theodolite observation single thread single threading single-throw switch singleton single-tone keying single-trip trigger circuit single-tuned amplifier single-tuned circuit single-tuned interstage single-U groove weld single-unit semiconductor device single-V groove weld single welded joint single-wire line singly linked ring singly periodic function singular arc singular corresponding point singular integral singular integral equation singularity singularity theorems singular matrix singular point

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