In middle stage, both vapor area and boiling area are co-exist on the surfaces having the same effective thickness.
中间阶段位于蒸汽膜阶段与沸腾阶段之间。中间阶段的特点是具有等效厚度的表面上同时存在蒸汽膜冷却区和沸腾冷却区。
The appearance of desiccant is ball bead, because the surface area of the spherical, to the largest water vapor adsorption.
干燥剂的外形为球状珠粒，因为球形的表面积最大，有利于水蒸气的吸附。
Skin contacted by HF, vapor, or aqueous solution rapidly produces an erythematous (reddened) area, often with a white or gray color at the surface caused by coagulation of tissue.
接触HF、蒸气或水溶液的皮肤会迅速产生一块变红的区域，通常在表面带有组织凝结造成的白色或灰色。
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