“helical spring”的概念、定义、翻译、参考文献-科学参考

单词	helical spring
释义	helical spring [`hel·ǝ·kǝl `spriŋ] ^{DESIGN ENGINEERING} A bar or wire of uniform cross section wound into a helix.
随便看	direct energy conversion direct-entry terminal direct-expansion coil direct extrusion direct-feedback system direct fire direct-fire direct-fired evaporator direct-gap semiconductor direct-geared direct grid bias direct hierarchy control direct-image offset system direct-imaging mass analyzer direct immunofluorescence direct-indicating compass direct input/output direct-insert subroutine direct instruction direct interelectrode capacitance direct inward dialing direction directional antenna directional beacon directional beam

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