W12 series rolling machine with four rollers adopt upper roller rotary mechanical drive, lower roller and side roller fluctuation hydraulic drive, electric concentrated control operation system.

W12系列四辊卷板机采用上辊旋转机械传动，下辊和侧辊升降液压传动，电气集中控制操作系统。

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You can either relax on the roller without moving (which opens your chest laterally) or roll gently from side to side to massage the muscles along your spine.

你可以躺在滚筒上不动(这样可以使你的胸腔向两侧打开)，也可以慢慢地滚动，按摩脊柱两侧的肌肉。

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Now entering my fifth year of living with multiple myeloma, a haematological cancer, I reflect back on a roller-coaster ride of symptoms, treatments and side effects.

今年是我患上多发性骨髓瘤的第五个年头，这是一种血癌，我回顾了一下患上此病后的一系列突变的症状、治疗以及副作用。

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His more daring side is displayed as well with creations crafted of him skiing, surfing, and roller blading.

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