查询词典 essential extension

Extension ring：伸长环

extension pruner with additional pole section 接杆修树枝剪 | extension ring 伸长环 | extension rod 伸长杆

extension splint：伸展夹,牵引夹

extension mast 套管式天线杆 | extension splint 伸展夹,牵引夹 | extension table 牵引床

triceps extension：颈后臂屈伸

lying triceps extension 仰卧臂屈伸 | triceps extension 颈后臂屈伸 | Seated Triceps Extension(三头肌屈接)

extension forks：长臂叉车

extension filter 辅助滤波器 | extension forks 长臂叉车 | extension hand tap 手用长柄丝锥

extension forks：加长叉

extension filter 辅助滤波器 | extension forks 加长叉 | extension girder-C end frames type crane C型延长梁架式船用装卸机

extension bed lathe：接长床身车床

extension bar for grinding wheel axle of internal grinding machine 内圆磨床砂轮轴接杆 | extension bed lathe 接长床身车床 | extension bell 分铃

extension drill：接长钻

extension dividers ==> 加长分线规 | extension drill ==> 接长钻 | extension drive shaft ==> 延伸传动轴

extension bit：接长钻

扩延伸长,伸出部分 extension | 接长钻 extension bit | 拉力螺栓,接长螺栓 extension bolt

extension bolt：拉力螺栓,接长螺栓

接长钻 extension bit | 拉力螺栓,接长螺栓 extension bolt | 外伸炉 extension furnace

extension bolt：拧接螺栓

extension bell call ==> 分铃呼叫 | extension bolt ==> 拧接螺栓 | extension bond ==> 扩充公司债

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵