totally enclosed造句怎麼寫

totally enclosed fan-cooling motor

Motors on the milling machines are totally enclosed to guard against ingress of metallic dust.

The working table is made of stainless steel by totally enclosed type that will be easily operated and not be damaged.

totally enclosed fan-cooled type induction motor

totally enclosed chlorine store

Its rotating speed is 1500 RPM the motor is totally enclosed. After waxing polishing the floor surface is shinning as a mirror.