equipment on which switching operations are performed by operators also see pbx
Resimler
История
- equipment on which switching operations ..
- the change in shape of a specimen caused..
- it is sometimes called the rush-leaved d..
- pivot for an oar; lock for an oar; devic..
- a suction valve or check valve at the lo..
- making choices based on the reality of u..
- not confined, free from restraints; havi..
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