If you really like to get right into your groove when you start running, warm up before you head out from your run or jump on the treadmill.
要是你真的喜欢一开始跑就进入节奏的话，在跑步或上跑步机前先热热身吧。
2
The equations is used whether roller is column or cone, cam is in spine or groove location, left or right helical, single head or many heads and how it is turning.
该方程适用于滚子为柱型或锥型凸轮为槽定位或脊定位、单头或多头、左旋或右旋、上转或下转的情况。
3
Time for the third kind of closing well is so long that flange steel ring groove on the top of casing-head is heavily corroded in M4 well being situated in Tarim basin.