- through-drive design
- 直接: direct; immediate
- 传动: transmission; drive; driving ...
- 设计: devise; project; plan; desig ...
- 直接传动: coupling drive; direct acting drive; direct drive gear; direct operation; direct transmission; direct-action; direct-connected drive; direct-drive gear; straight-through drive; through-drive
- 直接传动泵: direct drive pump
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