Three: LED lamp belt surface cleanliness.

三：看LED灯带表面的清洁度。

youdao

Will not adsorb any impurity in the conveyor belt surface.

更不会吸附任何杂质于输送带表面。

youdao

Grip of belt surface needs to be big enough to hold the product without damaging it, thus, pressure on the rolls has to be delicate.

皮带表面的抓地力，需要足够大，持有主张而不受破坏它的产品，从而，轧辊上的压力细腻。

youdao

Rather than take the belt loop to the office, she detoured on surface streets through her old neighborhood, just to catch a glimpse of the house.

NEWYORKER: Shauntrelle

Although the moon's topography has already been comprehensively charted, these other kinds of map exist only for a narrow belt around the equator, amounting to just a quarter of the moon's surface.

ECONOMIST: Divining water