日本丶国产丶欧美色综合_三年片在线观看免费西瓜视频_日本丰满少妇裸体自慰_久久亚洲精品无码aⅴ大香

吊扇安裝前的準備
Preparation of the ceiling fan before installation
1、其型號、規格必須符合設計要求。
1. The model and specifications must meet the design requirements.
2、有吊桿時應考慮吊桿長短、平直度問題，并有產品合格證
2. The suspender length and straightness should be considered when there are suspender.
3、吊扇的各種零配件是否齊全。
3, the various parts of the ceiling fan are complete.
4、扇葉有無變形和受損現象。
4, the fan leaves have no deformation and damage.
5、吊桿上的懸掛銷釘必須裝設防震橡皮墊及防松裝置
5. Suspension pins must be equipped with shock proof rubber pads and loosening devices.
吊扇安裝時的操作
Operation of ceiling fan installation
將吊扇托起，并把預埋的吊鉤將吊扇的耳環掛牢。然后接好電源結頭，注意多股軟銅導線盤圈涮錫后進行包扎嚴密，向上推起吊桿上的扣碗，將結頭扣于其內，緊貼建筑物表面，擰緊固定螺絲。
Lift the ceiling fan and hang the earring of the ceiling fan with the embedded hook. Then the power junction head is attached, and attention is paid to the tight binding of the soft copper wire plate ring after rinsing tin, the bowl on the hanger is pushed up, the knot head is buckled inside it, the surface of the building is clung to the surface of the building, and the fixed screw is tightened.