黑人操浪逼视频30分钟,久久毛片免费看一区二区,中文字幕在线看日韩电影,国产91麻豆视频免费看

網(wǎng)球場(chǎng)角度反彈性能測(cè)試儀功能：

網(wǎng)球場(chǎng)角度反彈性能測(cè)試儀檢測(cè)足球成角度反彈的表現(xiàn)
符合標(biāo)準(zhǔn)：

Fifa IRB ITF EN14077 EN15330
One of the requirements for artificial turf surfaces is the ball rebound behaviour under an angle.Deltec developed an Angle Ball Projector to determine this ball bouncing characteristic.The portable pneumatic ball projector launches the ball with exactly 50 km/h at the required 15 degrees angle.The projector is compley self-supporting regarding energy when used in the field,so it can be used under all circumstances.The ball is launched without spin the with a very accurate reproducible speed.The reproducibility exceeds the demands by far.A radar gun (not supplied by Deltec)measures the horizontal speed before and after the ball bounce.The Angle Ball Rebound percentage can be determined with these values.The projector comes with a transport box and energy box.
Your benefits:
Excellent reproducibility
Does not rely on external power
Portable
Ball launch without spin
Precise angle by means of measuring device Exchangeable barrel for different balls
Aplications:Football,Rugby.Tennis
Standards:EN13865,EN15330,FIFA02

上海樂(lè)傲試驗(yàn)儀器有限公司產(chǎn)品售后服務(wù)承諾：但凡從上海樂(lè)傲試驗(yàn)儀器有限公司購(gòu)買的產(chǎn)品均可享受質(zhì)保一年服務(wù)；一年內(nèi)如有產(chǎn)品質(zhì)量問(wèn)題包修包換包退，并可享受終身維護(hù)服務(wù)。