Suitable for use in reciprocating motion situation, to the built-in cable, tubing, the trachea and conduit to wait have traction and protection.
适合于使用在往复运动的场合，能够对内置的电缆、油管、气管、水管等起到牵引和保护的作用。
Suitable for use in reciprocating motion situation, to the built-in cable, tubing, the trachea and conduit to wait have traction and protection.
适合于使用在往复运动的场合，能够对内置的电缆、油管、气管、水管等起到牵引和保护的作用。
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