ESPEC offers two types of standard models: the space-saving PV vertical ovens and the PH horizontal ovens.
ESPEC提供两种标准的型号：节约空间的PV垂直烤炉和PH水平烤炉。
2
Objective To determine the standard for operative indication of severe pulmonary hypertension (PH) in children with congenital heart defect (CHD).
目的探讨先天性心脏病(先心病)伴重度肺动脉高压(肺高压)患儿手术指征的判定标准。
3
The detection results showed: the pH is normal, heavy metals, p, the total inorganic nitrogen and DO accord with class I water quality standard, COD belongs to the class III water quality standard.