The firm specialized in supplying pieces of equipment, such as terminals, tape drives, or printers.
这家公司专营各种设备配件，比如终端机、磁带机、打印机。
《柯林斯英汉双解大词典》
2
The firm wants to reduce its dependence on the cyclical business of supplying commercial airliners, which brings in 65% of revenues.
公司希望通过提供商业飞行机型来减少对民用业务的依赖，前者能带来65%的收益。
3
Three car making firm, General motors, Chrysler, and Fordo, previously dominated Michigan, supplying big, gas-guzzling American cars to an eager domestic and international market.