【化】 透平循环压缩机

circulating pump (circulation pump)

circulating decimal【数】;periodic decimal【数】;periodical fraction【数】

Hot air circulating oven

rolling-contact bearing with rolling bodies circulating partly without carrying load

circulating liquid laser

circulating oil【机】;recycle oil【机】;turning oil【机】

circulating-air baking oven

circulating pump discharge pipe