片语
selection for gauge block量块的选用
Zeiss gauge block interferometer蔡司块规干涉仪
plane gauge block planometer平面规
Length of gauge block量块长度
Short gauge block小量块
gage block块规;量块;规矩块
angle gauge block角度块规
grade of gauge block块规等级
angular gauge block[机]
Pressure gauge with block value带关闭阀的压力表