... three point string reamer 三点式钻柱扩眼器 three pole switch 三极开关 three pressure stage impulse turbine 三压力级冲动式汽轮机 ...
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... 三极检波器 audion; 三极开关 triple-pole switch; 三极空间电荷晶体管 triple-pole spacistor; ...
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明装倒扳式三极开关 Surface-type Tumbler Three-pole Switch
暗装跷板式三极开关 Flush-type Rocker Three-pole Switch
暗装倒扳式三极开关 Flush-type Tumbler Three-pole Switch
明装跷板式三极开关 Surface-type Rocker Three-pole Switch
三极管交流开关 TRIAC ; Triode AC switch
单极三投开关 single-pole three throw switch ; pole three throw switch
开关三极管 Switching Transistors ; Switching triode ; IC
硅开关三极管 silicon switching triode
硅大功率开关三极管 silicon large power switch triode
用继电器即可；但如果需要调速，可以使用三极管，场效应管等开关元件实现PWM（脉冲宽度调制）调速。
With the relay can be; but if you need to speed, you can use the transistor, FET and other switching elements to achieve PWM (pulse width modulation) speed.
光控MOS栅固态继电器是由MOS栅控晶闸管、开关三极管、光电耦合器、增强型MOSFET和齐纳二极管组成的新型开关器件。
Optically triggered MOS gated solid state relay is a new switching device, which is composed of an MOS gated thyristor, a phototransistor, an enhanced mode MOSFET and a Zener diode.
当开关要求为三极以上时，均采用不锈钢外壳。
When the switch is required as being tertiary, adopt the stainless steel outer cover.
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