結露 and 湿気: surface condensation and moisture in a room
Read 結露 on windows or walls alongside 湿気 in a room and a shelf with less moisture. Distinguish the surface phenomenon, humid conditions, and the completed move of boxes.
Condensation on windows and walls
結露(けつろ) means condensation. 「寒い朝は窓ガラスに結露が生じやすい。」(Condensation easily forms on windows on cold mornings.) 窓ガラスに identifies the surface, and 生じやすい expresses a tendency to form. Read that tendency within the stated cold-morning setting.
「換気をして壁の結露を防いだ。」(We ventilated the room to prevent condensation on the walls.) The English to prevent gives the purpose of ventilation. Japanese 防いだ and the Korean translation describe prevention achieved in this wall example. Preserve these different expressions without turning one example into a universal method.
Moisture in a room and where boxes were moved
湿気(しっけ) refers to humidity or moisture. 「梅雨になると部屋に湿気がこもる。」(Humidity builds up in the room during the rainy season.) 梅雨になると supplies the rainy-season situation, and 部屋に identifies the room. This focus differs from condensation on a window surface.
「紙の箱を湿気の少ない棚に移した。」(I moved the cardboard boxes to a shelf with less moisture.) 紙の箱を identifies what was moved, and 湿気の少ない棚に identifies the destination. Less moisture is a relative condition; it does not establish a completely moisture-free shelf or completed drying of the boxes.
The surface phenomenon and moist conditions
結露 on a window and 湿気 in a room have different focuses. One names condensation on a particular surface; the other describes humid or moist conditions in the room. They do not combine every kind of wetness into a single phenomenon.
In the wall example, Japanese 防いだ and Korean describe a prevention result, while English to prevent expresses purpose. Keep the quotations intact and read their scope. Moving the boxes likewise does not establish the disappearance of all condensation or moisture.
Can the targets in 「寒い朝は窓ガラスに結露が生じやすい。」 and 「梅雨になると部屋に湿気がこもる。」 be treated as one phenomenon?
Show the answer and why
No. Condensation on a window surface and humidity building up in a room have different focuses. The other example's move to a shelf with less moisture also does not establish that all condensation or moisture disappeared.

