主页
学科
搜索
账户
常见问题
当前学科:食品包装
题目:
填空题
折角翼的冲程是影响包材的供给速度,因此实际上是()在控制图案。
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
超短波VHF频段的频率范围为()。
诊断温抗体型溶血性贫血最重要的实验室检查是()
关于便秘及其干预措施的描述,不正确的是()
如受油发生争议,轮机长与供应代表交涉,并告诉船长,不应()
The word horsepower(马力) was first used two hundred years ago. (200年前“马力”这个词首次使用。) James Watt had made the first widely used steam(蒸气)engine. He had no way of tellingpeople exactly how powerful it was, for at that time there were no units for measuring (测量)power.Watt decided to find out how much work one strong horse could do in one minute. He called thatunit one horsepower. With this unit he could measure the work his steam engine could do.He discovered that a horse could lift a 3,300-pound weight 10 feet into the air in one minute. Hisengine could lift a 3,300-pound weight 100 feet in one minute.Because his engine did ten times as much work as the horse, Watt called it a ten horsepowerengine.6.The passagesays that Watt made the first widely used steam engine.A.TB.F7.Watt made up a unit of measurement based on the strength of a horse.A.TB.F8.Watt wanted to find a way to lift a 3300-pound weight.A.TB.F9.One horsepower would equal the weight a horse could lift.A.TB.F10.The title of the passageis "How the Term Horsepower Came into Being".A.TB.F
肩关节周围炎鉴别诊断中,"要排除心脏疾患"属于()。
某基础开挖工程,施工合同中约定的计日工费和窝工费的工资标准均为50元/工日,在基坑开挖过程中,由于业主未按合同约定履行与现场周边村民协调的职责,造成承包商7人窝工5天,而承包商由于劳动力计划安排不当导致5人窝工10天。承包商在基坑开挖中可提出的人工费索赔为()元。
反渗透进水温度不能大于()。
下列哪种有害气体不会与血红蛋白结合使之失去携氧功能,致使人体组织缺氧而造成中毒?()
基本医疗保险的概念是()