ac nominal phase-phase potential transformer  交流标定相-相检测变压器

ac phase-phase  交流相-相

change heat of technology by phase changing  相变换热技术

composite phase-changing heat exchanger  复合相变换热器

compound phase changing heat exchanger  复合相变换热器

Failure of Phase changing  换相失败

high precision changing phase  精确相位调节

Initial phase point  初相点

in-phase point  位同步点

in-same-phase point  同相点

Low melting point phase  低熔相

low-temperature negative-pressure extraction with phase changing  低温变相负压浸提

PHASE CHANGING  相转变; 相变

Phase changing enthalpy  相变热

phase changing material  相变材料

phase changing material tempera-ture-adjusting  相变调温

phase changing material temperature-adjusting  相变调温

phase changing method to change number of poles  换相法变极

phase point  相点