Height: 80; Type: Earth Drill; Application: Excavator; Condition: New; Application Excavator: 2-40ton; Material: 45#Steel; Torque: 1094-59403nm; Pressure: 80-350bar; Flow: 25-250lpm; Rotate Speed: 10-68rpm; Output Shaft: 65rnd...
Rage, rage against the dying of the light. And you, my father, there on the sad height, Curse, bless, me now with your fierce tears, I pray. Do not go gentle into that good night. Rage, rage against the dying of the light. 奥登诗歌《夜晚的...
whether that heat will be enough to lift a particular mass of air to a particular height, how much water vapor that particular mass of air holds, 这些热量是否足以将特定质量的空气提升到特定高度,该特定质量的空气中含有多少水蒸气, and how long that...
也许你也曾在很多堂课上“神游”,也许你也曾“自欺欺人”抄过别人的作业,也许你也是假期囫囵“赶作业”的一员,但是,你也不想在一次又一次的“手忙脚乱”中,度过一年又一年青春,错失一个又一个机会,对吗?