phv的例句大全

Objectives To investigate the effectiveness of PHV combined with low PEEP for severe asthma.

目的探讨允许性高碳酸的血症（PHV）联用低呼气末正压（PEEP）通气治疗危重哮喘的效果。

Study of comparison between Wacker and PHV in reflection seismic survey for metallic orebody

轻便可控震源与夯击震源在金属矿地震勘探中的对比试验研究

Design and industrial application of DOCP ( jl) catalyst for PHV upgrading

提高汽油辛烷值催化剂DOCP（jl）配方设计及工业应用

Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.

PHV在唐山地区的实验结果证明它能够稳定、有效的工作，而且优于其它非爆炸性震源。