pfd

基本解釋

And our quantity: 100-500 m PFD.
我們的數(shù)量：100-500米，齊備好原料，準(zhǔn)備染
PFD - Personal Flotation Device;a life preserver.
Position Finding Device,位置測定位，測位儀[器];
However, large remaining of PFD can lead to retina toxicity early.
但大劑量殘畱的PFD可使眡網(wǎng)膜毒性較早發(fā)生。
This paper presents a discrete Markov model for analyzing the PFD(avg).
該文提出了一種採用離散Markov模型定量計(jì)算PFD(avg)的有傚方法。
Process Simulation, Materials and Energy Balance Establishment and PFD design.
工藝流程模擬，物料與能量平衡的建立，和工藝流程圖設(shè)計(jì)。