英语词汇“drilling-bit improvement”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	drilling-bit improvement
释义	drilling-bit improvement 钻头改进
随便看	dielectric effect dielectric elastomer dielectric elastomers dielectric electronics dielectric, element dielectric ellipsoid dielectric embossing dielectric eonstant Dielectric etching dielectric expansion dielectric failure dielectric fatigne dielectric fatigue dielectric fatique dielectric field dielectric field intensity dielectric fier dielectric filled waveguide dielectric-filled waveguide dielectric filling dielectric film dielectric film spot welding dielectric filter dielectric filters dielectric fluid