"Mechanism‑Structure Collaborative Optimization Design of Excavator Stick under Hard‑Soil Conditions" - Interactive discussion https://ms.copernicus.org/preprints/ms-2026-167/ "Mechanism‑Structure Collaborative Optimization Design of Excavator Stick under Hard‑Soil Conditions" - Interactive discussionRC2: 'Comment on ms-2026-167', Anonymous Referee #2, 04 Oct 2026https://ms.copernicus.org/preprints/ms-2026-167/ms-2026-167-RC2.pdfRC2: 'Comment on ms-2026-167', Anonymous Referee #2, 04 Oct 20262026-10-04T15:10:00+02:00CC1: 'Reply on RC1', Zhigui Ren, 14 Sep 2026https://ms.copernicus.org/preprints/ms-2026-167/ms-2026-167-CC1.pdfCC1: 'Reply on RC1', Zhigui Ren, 14 Sep 20262026-09-14T13:53:48+02:00RC1: 'Comment on ms-2026-167', Anonymous Referee #1, 12 Sep 2026https://ms.copernicus.org/preprints/ms-2026-167/ms-2026-167-RC1.pdfRC1: 'Comment on ms-2026-167', Anonymous Referee #1, 12 Sep 20262026-09-12T14:53:29+02:00