| 摘要 |
The air conditioned green house is closed and the treated air is introduced into a sheath along the glasshouse ridge and provided with diffusers along its length on either side. The axis of the diffusers is in a plane perpendicular to the longitudinal axis of the sheath and inclined towards the ground w.r.t. the vertical at an angle (alpha) between 20 and 50 degrees. - The treated air may be obtained by mixing, in variable proportions, external and internal air, the latter being extracted by a fan.(0/3)
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