tight waist roll 后抱躯干过桥翻
A strap (300) of the vacuum strap dehydrator is disposed on the driving roll (100) and the tight roll (200), and the strap (300) is tensioned by the tight roll (200).
将真空皮带脱水机的皮带(300)安装在驱动辊(100)、张紧辊(200)上，通过张紧辊(200)将皮带(300)张紧。
Chief parameters of aided reel roll includes tight pressure, send entrance force, roll gap and distributed position, determination of that is great importance to design and control for down coilers.
助卷辊主要参数包括压紧力、送进力、辊缝值和分布位置的确定，对地下卷取机的设计和控制具有十分重要的意义。
To do this properly, you will need to compress and roll your body into a tight ball while staying relaxed at the same time.
为了更好的出发，你需要尽可能的压缩你的身体，是身体尽可能呈球形，但同时你还需要尽量维持身体的放松。
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