a pencil with a replaceable and mechanically extendable solid pigment core called a “lead” A:

Many students, who followed the instructions mechanically, failed to obtain satisfactory results.

The primary flight control system uses __________ control wheel, column and pedals linked mechanically to hydraulic power control units which command the primary flight control surfaces.

The primary flight control system uses conventional control wheel, column and pedals linked mechanically to hydraulic power control units which command the primary flight control surfaces, ailerons, elevators, and _________.

According to American translator Nida, transmitting the language form and sentence structure of the source language mechanically to the target language may result in the immaturity of the translation work which is hard for the readers of the target language to understand. ( )