R-1020 rotary evaporator ee kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ sealing performance ye dɔŋ; Large capacity, large caliber rotating bottle, large evaporation area; Large capacity, large caliber rotating bottle, large evaporation area; Large capacity, large caliber rotating bottle, large evaporation area; Ka tɔ̈u bathtub, ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u ka tɔ̈u A lëu bï ya tɔ̈ɔ̈u në pump de vacuum, cooler de circulation, ku jɔl ya tɛ̈n yenë a tɔ̈ɔ̈u thïn, ku jɔl ya tɛ̈n yenë a tɔ̈ɔ̈u thïn. The Great Wall Science and Industry has a high efficiency scientific research and development center. A ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n! Saan 32 looi laboratory instrumentation.