| 1. | Cpvvv choke pulldown vacuum vent valve
阻风门真空强制通风阀 |
| 2. | Vvcs vacuum vent control system
真空通风控制系统 |
| 3. | Dvvv distributor vacuum vent valve
分电盘真空阀 |
| 4. | Vvcv vacuum vent control valve
真空通风控制阀 |
| 5. | Vac . vv vacuum vent valve
真空通风阀 |
| 6. | Vacuum venting device
真空透气装置 |
| 7. | Vvv vacuum vent valve
真空通风阀 |
| 8. | The extruders drived by d . c motor with a thyristro to stepless regulate . it also equipped with the over - load prtection and stoppage alsrmingsystem . the screws core and the outside of barrels are cooled by the circulation of oil , ther fuctions include vacuum venting and forced feeding
本机采用直流电机，可近期硅无级调速，没有过载保护和故障报警、螺杆芯部油循环恒温、机筒油冷却，并装有真空排气管装置和定量喂料装置。 |
