proparea 中文意思是什麼
proparea
解釋
前區-
At present, the model of drafting assembly manufactured domestically and abroad, which is the key part of spinning frame, mainly includes skf model, ina - v model and hp model, etc. while numerous spinning frames manufactured by our country adopt skf model drafting mode which employs spring cradle pressurization and proparea long and short apron drafting, owning advantages of stable running and others
目前國內外製造的細紗機關鍵部分牽伸裝置的形式主要有skf型、 ina - v型、 hp型等幾種。而我國製造的細紗機多數採用skf型牽伸形式，這種牽伸形式採用彈簧搖架加壓、前區長短皮圈牽伸，有其運轉穩定等特點。 -
In the past, many experts on cotton spinning wished to combine the nitto model drafting technics of little proparea gauge, small flotation area and strong controlling with the drafting model pressurized by cradle, feasible results still having not been achieved
過去曾有許多棉紡專家希望把日東式牽伸的前區小隔距、小浮遊區、強控制的牽伸工藝與搖架加壓的牽伸形式相結合，但一直沒有可行的成果面世。
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