采用空中轨道传输方式或地面推导车，从冷冻至冷冻干燥直至卸料，即卫生又安全。
The material is transferred by means of aerial railway or gorund guiding trolley from freezing to freezing drying and till unloading assuring the sanitation and safety.
手拉单绳抓斗实用于单勾起重机上，是一种通过手拉绳索在空中能打开卸料的单绳抓斗，多用于船上。
Hand in single rope grabs crane practical, is a hand in the air through the cords of discharging single rope grabs can open to grab ship.
采用无线电控制，可以在空中任意位置开斗卸料。
The grab could be open and unload materials from any position in the air.
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