“high-helix drill”的概念、定义、翻译、参考文献-科学参考

单词	high-helix drill
释义	high-helix drill [`hī ´hē·liks ´dril] ^{DESIGN ENGINEERING} A two-flute twist drill with a helix angle of 35-40°; used for drilling deep holes in metals, such as aluminum, copper, hard brass, and soft steel. Also known as fast-spiral drill.
随便看	plywood PLZT PM Pm PMA PMDA p.m.f. PMOS PMR PMS notation pNa PN code PNdB pneumatic pneumatic atomizer pneumatic caisson pneumatic controller pneumatic control valve pneumatic conveyor pneumatic deception device pneumatic drill pneumatic drilling pneumatic filling pneumatic gun charger pneumatic hammer

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