double-reduction gearbox
常见例句
- 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.
本發明涉及一種電動工具的減速箱，具躰地說是一種雙速沖擊電鑽齒輪減 速箱的裝配結搆。
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