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- The arc was used just to make the piece of revolved surface. The center of the surface is at the ball center. 這圓弧剛好可以用來(lái)制作一片旋轉曲面,曲面的中心點(diǎn)在足球的中心的。
- Roll restoring moment and equivalent friction radius are introduced in vehicle dynamics model,and mechanics model of center plate is simplified. 在車(chē)輛動(dòng)力學(xué)模型中引入側滾回復力矩和等效摩擦半徑,并對心盤(pán)進(jìn)行力學(xué)簡(jiǎn)化。
- Research on Spherical Leaf Type Center Plate Pad 球狀分瓣式心盤(pán)襯墊研制
- screw bolt used on bottom center plate 下心盤(pán)螺栓
- The ball went over the pitcher's head and into center field for a single. 球越過(guò)投手頭頂，飛向中外場(chǎng)造成一壘打。
- He singled and went to second on a passed ball. 他擊出一壘打，再因對方漏接而跑上二壘。
- In cricket, the ball is delivered overarm. 打板球時(shí)，要舉臂過(guò)肩擲球。
- Causes of center plate failure and improvement suggestions 貨車(chē)心盤(pán)損壞的原因與改進(jìn)建議
- Children love to ball snow up in their hands. 小孩子們喜歡將雪在手里做成球兒。
- An automatic build-up welding device for center plate 心盤(pán)自動(dòng)堆焊裝置
- He lay back and hit the ball for four. 他向后彎身?yè)糁星?，得?分。
- She came out of her room equipped for the ball. 她盛裝從房里出來(lái)預備到跳舞會(huì )去。
- The loss of the ball game stir up much feeling. 球賽輸了引起了極大的憤慨。
- It is put forward to apply such schemes as the No.13 coupler with big swing angle,ST draft gears, and dry type lubricant for center plates and wheel flange.The result of operation is good. 提出采用13號大擺角車(chē)鉤、ST型緩沖器,心盤(pán)、輪緣潤滑采用干式潤滑劑等方案,運用效果良好。
- The pitcher tends to pitch the ball too high. 這個(gè)投球手常把球擲得過(guò)高。
- Smith tied into the ball for a home run. 史密斯猛擊球取得本壘打。
- Solution of the Problem of Lower Center Plate Bolt Breaking 解決下心盤(pán)螺栓折斷問(wèn)題
- He swiped at the ball and missed it. 他向球猛擊，但未打中。
- The ball hit the wall and bounced off it. 球打在墻上又反彈回來(lái)。
- He moved the table over to the center of the room. 他把桌子移到房間中心。
