搖鼓風機的手上要有數,風大會把輕點的好穀子吹走,小了雜物吹不淨。
所有跟帖:
• 不是鼓風機,是風車,木製,手搖,因此風不會太大。 -龍劍- ♂ (0 bytes) () 12/31/2020 postreply 12:31:52
• 哈哈哈,工業語言。是木製的,應是大型農具了。 -大江川- ♂ (0 bytes) () 12/31/2020 postreply 14:02:39
• 不是鼓風機,是風車,木製,手搖,因此風不會太大。 -龍劍- ♂ (0 bytes) () 12/31/2020 postreply 12:31:52
• 哈哈哈,工業語言。是木製的,應是大型農具了。 -大江川- ♂ (0 bytes) () 12/31/2020 postreply 14:02:39
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