国产亚洲高清成人无码在线观看_男人天堂av日韩_国产在线精品一区二区夜色还会玩转热点_50岁经典露脸老熟女_美女裸身黄色网站_偷拍日韩AV电影_国产精品嫩草影院永久在_国产精品无码一区二区三级在线_亚洲国产黄片观看_成人免费视频网站www

On-site rescue of accidents such as high platforms, cliffs and underground. High-strength aluminum alloy frame with hand-operated winch, winch with rising and falling self-locking function. The manual winch has a rated lifting weight of 1600N, a rope length of 30m, a mass of 47.3kg and a hand-cranking force of 187N. Comply with the "Rescue Tripod Test Outline" standard.