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A direct screw converts rotary movement into linear motion by combining a screw plus a nut exactly where the screw thread is in immediate connection with the nut thread. Direct screws usually are not as efficient as ball screws are, but These are immune to back again driving. Rod-design and https://diaphragmseal59382.dreamyblogs.com/17285389/the-2-minute-rule-for-เคร-องว-ดอ-ตราการไหล

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