Introduction: Ua ʻike ʻia ʻo Knife gate valve he pahi kīpē puka, knife gate valve, slurry valve, mud valve, kona wehe ʻana a pani ʻia nā ʻāpana he ipuka, ʻo ke kuhikuhi o ka neʻe ʻana o ka puka e kū pololei i ke kuhikuhi o ka wai, ma ka ʻoki ʻana. ʻO ka ʻīpuka maka o ka fiber material e ʻoki i ka waena...
Heluhelu hou aku