精品国产偷窥一区二区-国产极品美女久久久久久-A片在线观看免费视频-色偷偷偷亚洲综合网另类-日韩精品无码一区二区三区免费

特點(diǎn) Features

• 采用工程塑料材質(zhì)使產(chǎn)品更加輕便，運(yùn)行起來更加順暢
• 采用全封閉形式可防止異物進(jìn)入，可以更好的保護(hù)電纜和管線
• 蓋板可開合的設(shè)計(jì)方式使電纜及管線的安裝和維護(hù)操作起來更加簡(jiǎn)易

• Proper for more than twice length of free span.
• Made of engineering plastic for the light weight.
• Openable covers procide convenient installation and maintenace.
• Skates enable longer operation life and worn skates can be replaced covently.
• Exactly measured guide channels should be installed for a long term performance and excellent movements.

需要更多詳細(xì)參數(shù)請(qǐng)下載產(chǎn)品手冊(cè)