[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZ9TmRwrbO1x2TCqNh75SqJdtaREkp3rkLKvDm25l8k8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":24,"type":25},[],"2024-03-06 15:01:50",133152066,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},22,"764fb0aa0e1ba40489fcd62698bff4b2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1013c9efa50d6547afda3b0a59bd495e.jpg","汽车专业英语","work_29419745","","Cylinder block or engine block is actually a complex machined casting unit",[19,26,31,36,41,46,51,56,61,66],{"answer":20,"createTime":5,"id":21,"options":22,"question":23,"source":24,"type":25},[],133152056,[8,9],"Generally, one working cycle contains four strokes","v1",3,{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":24,"type":25},[],133152057,[8,9],"In the first stroke, both intake and exhaust valves are opened",{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":24,"type":25},[],133152058,[8,9],"In the exhaust stroke, the piston moves downwards to push the burned gases out of the cylinder",{"answer":37,"createTime":5,"id":38,"options":39,"question":40,"source":24,"type":25},[],133152059,[8,9],"A spark plug is used to ignite the fuel-air mixture in the gasoline engine",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":24,"type":25},[],133152060,[8,9],"A cylinder head is a casting only made from iron",{"answer":47,"createTime":5,"id":48,"options":49,"question":50,"source":24,"type":25},[],133152062,[8,9],"In general, the valves are held in the cylinder head instead of the cylinder block",{"answer":52,"createTime":5,"id":53,"options":54,"question":55,"source":24,"type":25},[],133152063,[8,9],"In the first stroke, the exhaust valves are opened, letting the fuel-air mixture into the combustion chamber",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":24,"type":25},[],133152064,[8,9],"The camshaft is used to open and close the valves with the motion of the pistons",{"answer":62,"createTime":5,"id":63,"options":64,"question":65,"source":24,"type":25},[],133152065,[8,9],"DOHC means that there are two camshafts in the cylinder block",{"answer":67,"createTime":5,"id":6,"options":68,"question":17,"source":24,"type":25},[],[8,9]]