【单选题】【消耗次数：1】
铸造（牙合）支托在基牙（牙合）缘处的厚度为
①
0.5～1.0mm
②
1.0～1.5mm
③
1.5～2.0mm
④
2.0～2.5mm
⑤
2.5～3.0mm
参考答案：
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相关题目
【单选题】
塑料排水带的宽度为100mm，厚度为5mm，则其当量换算直径（换算系数取1.0）为（）。
①
25.2mm；
②
66.8mm；
③
33.4mm；
④
50.4mm；
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