ball ring
常见例句
- Assign a shape to each number: 0 looks like a ball or ring;
將每一個數字都想象成一個形狀：0看起來像一個球或環； - 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添加劑，採用四球實騐機和環-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、調心座型和帶調心墊圈座型。 返回 ball ring