他很漓使自胶适应了这个国家炎热的天区。
所以在常温下,聚乙烯醇水溶液的胶凝会持续数十天或者更长的时间。
At room temperature, PVA would take over ten days or even longer time to gelate.
所以在常温下,聚乙烯醇水溶液的胶凝会持续数十天或者更长的时间。
At room temperature, PVA would take over ten days or even longer time to gelate.
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