亚洲 中文 欧美 日韩 在线-午夜三级a三级三点窝-国产成人久久婷婷精品流白浆-久久精品国产免费观看-男男啪啪激烈高潮cc漫画免费-中文字幕无码久久精品

FEATURE

• Water flow stepless adjustable to meet different demands.

• High performance and energy saving bythe automatic speed adaptive DC frequency conversion technology.

• Extremely quiet in operation.

• Suitable forfresh and marine water.5.Suitable for immersible and land use.

• Motor epoxv-sealed and nocopper element exposed.7.Ceramic shaft and sleeve, corrosion preventive and long life.