The observation window on the door is made of double-layer tempered glass, the material heated in the oven can be observed clearly, meanwhile, the thermal insulation is well.
箱门观察窗为双层钢化玻璃结构，能清晰观察箱内加热的物品，又有良好的隔热效果。
The large window structure is poor, for some room to do a gap, such as acute improvement, with glue tape sealed windows, the glass window with a layer of transparent plastic film.
对一些房间的门窗结构较差、缝隙较大的，可做一应急性改善，如用胶水纸带封住窗缝、在玻璃窗外贴一层透明的塑料薄膜等。
Of working cold trough: stainless steel cold trough, the double-layer vacuum glass observation window.
工作冷槽：不锈钢冷槽，双层真空玻璃观察窗。
The inner layer may open the non-frame glass window, may cause the office air nature circulation.
内层可开启的无框玻璃窗，可使办公室空气自然流通。
The inner layer may open the non-frame glass window, may cause the office air nature circulation.
内层可开启的无框玻璃窗，可使办公室空气自然流通。
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