Dynamic monitoring alarm system for oil well production time efficiency is a wireless, fixed distance and real-time monitoring alarming system.
抽油井生产时率动态监测报警系统是一套新式抽油机工作状态下的无线、定程、实时监测报警系统。
Aiming at the doffing system with fixed length and weight was added in DTY machines, and applied it to the polyester filament production.
针对许多原DTY机无定长定重装置的情况，在DTY机上加装定长定重落筒系统，并应用于涤纶长丝生产中。
The catalytic pyrolysis gasification of fresh grass (GR) and wheat straw (WS) for production of hydrogen rich gas was investigated in a little fixed-bed gasification experimental system.
在小型固定床反应器上进行了新鲜草和小麦秸秆的催化热解气化制富氢燃料气的研究。
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