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
post post newtonian approximation
post-post-Newtonian approximation
arsenic bearing carbon bearing refractory gold concentrate
bearing bush half for main bearing
core recovery from pebble-bearing and gravel-bearing rock formations
Distinguishing oil bearing reservoirs from water bearing reservoirs
“first post the post” voting system
first post the post voting system
inner post [= propeller post]
“Smart” journal bearing
1-Main Bearing-Pump End
1-Main Bearing-Seal End
250B bearing ring rolling machine
3D base isolation bearing