Where is the measuring position of the uneven gauge in our country？
A: 10mm below the rail top surface
B: 12mm below the rail top surface
C: 14mm below the rail top surface
D: 16mm below the rail top surface
A: 10mm below the rail top surface
B: 12mm below the rail top surface
C: 14mm below the rail top surface
D: 16mm below the rail top surface
举一反三
- isthe surface on which the wheels move. A: toe B: unning rail C: stock rail
- What is the name of the solid surface in the figure below?[img=360x664]1803bb9e6fc6d99.jpg[/img] A: circular cone surface B: Cone-shaped surface C: Cylindrical surface D: Columnar surface
- S3. If the temperature at the earth’s surface is 20F, the temperature in a coal mine 500 feet below the surface would be _____________________.
- "Just like an iceberg, the most important dimensions of culture are below the surface” is an example of __________.
- Intaglio printing is the (oppose )of relief printing, since (the printing) is (done )form ink that (is below )the surface of the plate.（） A: oppose B: the printing C: done D: is below