under-roll

A roll-pressed inorganic bonded WS2 film gives rise to an effective lubrication for miniature bearing under above testing conditions and has been successfully applied to a high temperature gas measuring flowmeter.

一种WS2加无机粘结剂的滚压膜在上述试验条件下可使微型球轴承得到有效的润滑，可在高温气体流量计上成功应用。

The sleeves are roll tall, under water to wash clothes, this moment I heart is burning up, this cold weather, so the icy water, mom skillfully rubbing clothes, soap, wipe again and again.

把袖子也卷得高高的，下水洗衣服了，这一刻我的心却烧灼起来了，这么冷的天，这么冰的水，妈妈熟练地搓着衣服，肥皂擦了一遍又一遍。

This paper described the random transference recorded inside the Access database form under the Visual Basic, attaining the purpose that the teacher could ask and answer the student in classroom with the random roll call.

本文通过在VISUAL BASIC下对Access数据库表中记录的随机调用，达到教师在课堂上对学生进行随机点名回答提问的目的。