oleh ep | 16 Jan 2023 | Blog
Penerangan Penyelesaian Jenis galas slewing Galas slewing ZYS boleh dibahagikan kepada jenis-jenis berikut mengikut strukturnya sebagai galas slewing bebola bersentuhan satu baris 4 peringkat, galas slewing rol silang baris tunggal, galas slewing bebola pelbagai baris dua...
oleh ep | 8 Dis, 2020 | Blog
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