在凸轮类零件上，键槽的位置应位于（）_爱下问搜题

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问题填空题

在凸轮类零件上，键槽的位置应位于（）

答案

参考答案：材料实体较厚、刚性较强的一侧

完形填空

Li Ping's mother's birthday is coming soon, ____1____ he doesn't get a present for her. A watch can ___2_____ a good present, but it is too __3__ for Li Ping to buy because he doesn’t have enough money with him. ___4___ are not so expensive , but he doesn't think they are good enough for his mother __5___ they will die(死) soon. He does not know __6___of jackets or shoes his mother wears. Chocolates are too _7__ and his mother does not like them. Li Ping's sister, Li Lan, gives __8__ some advice(建议). She says, "Why don't you give your ___9____ a picture of yourself for her birthday? That shows your ___10__ for her" Li Ping thinks it is a good ____11____. No one is too poor to give love __12___ others, but ____13____ is the most expensive present in the __14__ and everyone is happy to __15__ it.

填空题

泰山磐石散功用为（），（）。