return air inlet 回风进口 ; 回气进口 ; 回风口
inlet non-return valve 入口止回阀
inlet manifold return oil 进气歧管回油
return-oil inlet 回油口
The invention improves the storage environment of fruits in the refrigerating chamber by improving the location of the air return inlet of the refrigerating chamber.
本发明通过改进冷藏室回风口的位置，改善了冷藏室内果品的储藏环境。
Fan coil air outlet and the air return are not at the same level (such as when the outlet for side inlet and outlet for the last time), air inlet and the air return distance can be relatively close.
风机盘管的送风口与回风口不在同一水平面时(如送风口为上侧送、回风口为上回)，送风口与回风口距离可相对近一些。
This paper derives the characteristic formula of control pressure in hydro-control check valve and the mechanical characteristics formula of inlet and return circuit.
本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。
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