- leg of test rig
- 实验: experiment; test; trial run
- 装置: installation; device; appara ...
- 支架: support; stand; trestle; hol ...
- 排肥装置支架: fertilizer frame
- 实验装置: experimental apparatus; experimental device; experimental facilities; experimental facility; experimental installation; experimental provision; experimental set up; experimental setup; pilot plant
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