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臺(tái)虎鉗梯形絲桿和三角絲桿哪個(gè)好 |
點(diǎn)評(píng)
@石油地質(zhì)-波菜 對(duì)啊,我知道,但是我實(shí)在想不出來(lái)90°的牙型了啊。不知道春哥說(shuō)的這個(gè)90°的三角絲桿是個(gè)啥...
感覺(jué)應(yīng)該是“牙型一般是60度”
鋸齒螺紋邊也不是90度垂直的
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