用于复鞣铬鞣革的栗木栲胶为（）栗木栲胶，复鞣后的革（）。_爱下问搜题

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问题填空题

用于复鞣铬鞣革的栗木栲胶为（）栗木栲胶，复鞣后的革（）。

答案

参考答案：甜化；比较紧实

选择题

He any classes last week. [ ]

A. doesn't have

B. didn't have

C. isn't have

D. wasn't have

判断题

60g煮鸡蛋和60g炸鸡蛋能量相近。