题目内容
构件内力的大小不但与外力大小有关，还与材料的截面形状有关。
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拉杆内只存在均匀分布的正应力，不存在剪应力
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构件失效时的极限应力是材料的强度极限
5 Complete the paragraph with the correct form of the words below.applianceassemblecoarsedevicefurnishinstalllodgerecallLooking back, I can still (1) ________ the day when the workmen arrived. The (2) ________ was in a poor state of repair. They began by (3) ________ electricity and then (4) _________ the various pieces of a modern kitchen with all the best (5) ________ such as a washing machine and refrigerator.The walls were rather (6) ________ after years of neglect, so they used a(n) (7) ________ to make them smooth again. Finally, they (8) ________ the house with tables, chairs, sofas and beds, until it was as comfortable as it used to be.
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