亚洲精品久久久蜜桃,艹逼网站免费在线观看,午夜一区二区三区亚洲影院电影网 ,中日韩欧美中文字幕一区

冠航SKF-A型2t鋁合金手拉葫蘆

全封閉結(jié)構(gòu)防腐蝕、防塵、防水。

對(duì)稱排列式同步齒輪，高精度，高韌性。

機(jī)械負(fù)荷式制動(dòng)裝置，雙重棘爪彈簧，耐用性，安全性倍增。

限位擋板重物下降時(shí)作為停止極限以阻止過(guò)低發(fā)生的事故。

The body is made of aluminium alloys,antimagnetic,reduce itseld weight.

Total-enclosed cover,anti-corrosion,dust-proof and water-proof.

Symmetric,synchronous gear is high precision and tenacity.

Two spring pawls as the braking system,Make durability and safety doubly.

Position limited plate device can prevent goods to low.