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1.The car's engine is made ofoval head split rivets.
这辆车的引擎是由椭圆形头分离铆钉制成的。
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2. The construction company used oval headsplit rivets to reinforce the beams.
建筑公司使用椭圆形头分离铆钉来加固梁。
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3. The engineer designed the oval head split rivet to bestronger and more durable.
工程师设计椭圆形头分离铆钉时,使其更坚固耐用。