ball ring

常見例句

雙語例句

• Assign a shape to each number: 0 looks like a ball or ring;
  將每一個數(shù)字都想象成一個形狀：0看起來像一個球或環(huán)；
• The anti-wear and friction-reducing properties were evaluated by using four-ball and ring-on-block tribotesters.
  以十二烷氧基硼酸鑭爲(wèi)添加劑，採用四球?qū)嶒V機和環(huán)-塊摩擦實騐機評價了其抗磨減摩性能。
• Pressure on the ball bearing outer ring with a flat seat type, aligning seat type and seat type with a self-aligning washers.
  壓力球軸承外圈有平麪座型、調(diào)心座型和帶調(diào)心墊圈座型。
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