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ring-and-ball softening point强调
化学 температура размягчения по методу кольца и шара (The ring-and-ball softening point is defined as the temperature at which a disk of the sample held within a horizontal ring is forced downward a distance of 1 in. (25.4 mm) under  the weight of a steel ball as the sample is heated at a prescribed rate in a water or glycerol bath. Miyer)
大规模杀伤性武器 температура размягчения по кольцу и шару
建造 точка размягчения битума, определяемая по методу "кольца и шара"
ring-and-ball softening point: 2 短语, 1 学科
大规模杀伤性武器2