球土

/ qiú tǔ /

短语

1
有人曾经怀疑他极端的握拍方式以及强劲有力的上旋球等适合土场作战的技术是否能在其他赛场上所向无敌。
Some doubted whether his extreme grip and massive topspin game which is made for clay could shine on other surfaces.
2
法网是唯一不采用录像技术的大满贯赛事，因为裁判可以在土场上检查球印。
The French Open is the only major event that doesn't use the video technology because officials can check ball marks left on the clay surface.
3
该机主要用于经济林、观赏林苗木的挖掘移栽和胸径12公分以下的半成材林、淘汰林的移栽与采伐，能够保持土球的完整，便于运输，提高成活率。
The machine can adapt small wood and view and admire little trees remove, below 12 centimetres trees remove. And can protect the earth full, transportation convenience, and good survive.

球土
因开采时压成球状而得名。由高岭石构成并混有一定数量的石英、云母及有机质等杂质的一种可塑黏土。有时也含少量黄铁矿、白铁矿、菱铁矿等杂质，故陶瓷坯体中用量不宜过多。因其可塑性较好，常用于改善坯料的成型性能。

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