Arc rollaway, on which several steel ball are set, is set on convex ball surface of inner ring.
沿内圈的凸形球面上设有两条弧形沟道，在弧形沟道上设有若干钢球。
Same with "Rollaway Bed" (R. W. B) A portable single bed which can accommodate an additional guest.
加床：与“可移动床（R.W.B）”同义。一只可移动的单人床，可供另一客人使。
"I miss my mom," she told Michele that night as she climbed into the rollaway bed alongside Natasha's.
“我想妈妈，”那天晚上，当她爬进与娜塔莎的床并排放着的折叠床时，她对米歇尔说道。
Make sure rollaway cabinet is weighted down enough to counter balance the weight you store in this side hang unit.
确保折叠内阁加权到制衡的重量你在这边商店挂起单位够了。
Under the function of the spring, the elastic airproof ring can generate elastic distortion to cause the circular arc part of the airproof ring to contact with a rollaway nest all the time.
在弹簧的作用下，本实用新型可以产生弹性变形，使密封圈的圆弧部分始终与滚道相接触。
Under the function of the spring, the elastic airproof ring can generate elastic distortion to cause the circular arc part of the airproof ring to contact with a rollaway nest all the time.
在弹簧的作用下，本实用新型可以产生弹性变形，使密封圈的圆弧部分始终与滚道相接触。
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