collar bearing
有领轴承
环轴承
环状止推轴承
环形止推轴承
套环轴承
环形轴承
bearing bearing of pile
桩的承载力
聚对苯二甲酸乙二醇酯(PET)
聚对苯二甲酸乙二醇酯
are the first shift and the second shift.Finally
isotope-shift anomaly (=isotopic shift anomaly)
phase-shift time-shift arithmetic
shift frequency shift keying
shift left out/shift right in
collar band is longer than collar
collar band is shorter than collar
collar band lean out of collar
the difference of top collar and collar stand widt
arsenic bearing carbon bearing refractory gold concentrate