long - main
- long
- long block leveller
- long boiler
- long column
- long crawler
- long distance call
- long distance conveyor
- long job
- long lay
- long nose pliers
- long product
- long product warehouse
- long products
- long ripper tooth
- long roller
- long saw file
- long stroke
- long travel
- long travelling gear
- long undercarriage
- long-arc operation
- long-blade switch
- long-boiler locomotive
- long-distance beam
- long-distance power transmission line
- long-distance steam line
- long-handle
- long-lance-type soot blower
- long-lay rope
- long-range driving lamp
- long-range driving light
- long-stroke break thrustor
- long-stroke shock absorber
- long-stroke thrustor
- long-stroke …
- long-term drift
- long-term lubrication
- long-term work
- long-time creep resistance
- long-time creeping property
