单词	polyamide plastic
释义	polyamide plastic 聚酰胺塑料
随便看	difference potential difference potentiometer difference preference difference pre-processing difference-pressure absorption difference pressure backwashing Difference Pressure Control difference pressure flow meter difference pressure flow-meter difference pressure piping for flowmeter difference pressure ratio difference pressure transmitter difference principle difference priority difference process differenceproduct difference product difference-product difference product curves Difference Products difference programming difference protection difference protein Difference proteins difference psychology