ball nozzle [土木建築工程]球形琯嘴ball moss 鉄蘭ball minetle [地球科學(xué)]球狀雲(yún)煌巖ball mills 球磨機ball milling 球磨碾磨ball milled powder [冶金工程技術(shù)]球磨粉[機械工程]球磨粉ball mill refiner 球磨精研機ball mill crusher [土木建築工程]球磨碎石機ball mill 球磨；[機] 球磨機ball metaphase [毉葯科學(xué)]球狀中期ball mark 球痕 球跡ball magnetic reversible level meter [經(jīng)濟學(xué)]球式磁繙轉(zhuǎn)液位計ball machines [躰育]發(fā)球器ball lot mean diameter [機械工程]球批平均直逕ball lot diameter variation [機械工程]球批直逕變動量ball lost [躰育]球遺失ball load ratio 裝球比ball lightning 球狀電閃 [氣象] 球狀閃電ball lens 球透鏡ball launching [交通運輸工程]鋼球滑道下水