B 開頭單詞
ball spark-gap [土木建築工程]球形火花隙
ball socketed bearing [交通運(yùn)輸工程]耳軸軸承
ball socket 球座；[機(jī)] 球窩
ball slider [機(jī)械工程]球塞滑塊
ball sizing 鋼球擠光孔法
ball shear strength [材料科學(xué)]球部抗切強(qiáng)度
ball shear [機(jī)械工程]銲料球剪切
ball set bore diameter [機(jī)械工程]球組內(nèi)逕
ball sense [躰育]網(wǎng)感球感
ball selector [交通運(yùn)輸工程]鋼球分選機(jī)
ball sealing [能源科學(xué)技術(shù)]球封
ball screws 滾珠絲杠
ball screw lead [機(jī)械工程]滾珠絲桿螺距
ball screw drive 滾珠絲杠傳動(dòng) [機(jī)] 滾珠螺桿傳動(dòng)
ball screw assembly [電子、通信與自動(dòng)控制技術(shù)]滾珠絲杠副
ball screw [機(jī)] 滾珠螺桿；滾珠絲桿；球頭螺釘
ball scale [毉葯科學(xué)]球碼天平
ball safety valve [機(jī)械工程]球形安全閥
ball saddle [動(dòng)力與電氣工程]滾珠支撐