ball carrier

基本解釋

Obstruction: Players may not obstruct opposing players from making a touch or supporting the ball carrier.
阻擋：進(jìn)攻放球員不得阻擋對(duì)方隊(duì)員觸碰持球者，或給予持球者幫助。
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It can solve the problems such as inhomogeneous heating of different solder bumps in ball grid array, simultaneous heating of chip and carrier with solder ball, etc.
該方法能夠很好地解決由于無(wú)鉛釬料的應(yīng)用引起的日益嚴(yán)重的諸多問(wèn)題，如球柵陣列中各釬料球受熱不均勻和芯片基板與釬料球同時(shí)受熱等。
Consequently, shell appears more superior to traditional plastics ball when using as biomass carrier in aerated bio-filter for ammonia removal at low pH value and high ammonia loading in influent.
貝殼填料的曝氣生物濾池相比于傳統(tǒng)的塑料填料曝氣生物濾池具有明顯的硝化處理優(yōu)勢(shì)。

When the ball carrier is on the ground, someone on the defense must at least touch him so he's ruled down.
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