基本解釋[交通運輸工程]雙級減速齒輪箱[地球科學]雙級減速齒輪箱英漢例句雙語例句The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.本發(fā)明涉及一種電動工具的減速箱，具體地說是一種雙速沖擊電鉆齒輪減 速箱的裝配結(jié)構(gòu)。ip.comdouble-reduction gearbox更多例句專業(yè)釋義交通運輸工程雙級減速齒輪箱地球科學雙級減速齒輪箱