单词:roller spot-and-seam welding machine
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1) Exhilarating Rides-Top 2) Roller Coasters in Europe Number 3, it’s Shock Wave, Europe’s only stand up roller coaster. It’s in the English Midlands. Shock Wave is a 3) cracking 90 seconds. Fir
[00:00.00] UNIT ONE I may win a prize [00:05.59]Let's read [00:09.72]Peter,Anne,Sue and Ken went to the Honey Lake Amusement Park last Sunday. [00:17.08]Peter's father took them there. [00:21.03]Just inside the park, there was a Try Your Strengthmach
589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮;行星齿轮 epicyclicgear 593 、 固定夹;台夹 benchholdfast 594 、 固定
第一句:What kind of tour do you have? 你们有什么样的旅行路线? A: What kind of tour do you have? 你们有什么样的旅行路线? B: We offer many kinds of tours. 我们提供多种路线。 第二句:What can I see on the tour
Nature reports results from GRACE, a satellite machine designed to use gravity measurement to monitor the world's water resources. GRACE is the Gravity Recovery and Climate Experiment and it's a two-satellite machine. These two satellites are followi