1) level crossing
"平面交叉,铁路与公路平交道"
2) Ping
平
1.
The Meaning of "Full" and "Complete" in "Ping" in Tang and Song Dynasties:with Further Explanation of "Hiragana";
唐宋语言“平”有满、全义——兼释“平假名”
3) Parallel plates
平行平板
1.
The metrology of parallel plates in the optical fabrication and test is very important.
平行平板的测量在光学检测和光学加工中有很重要的应用,但是在平行平板的测量中,由于三表面干涉的干涉条纹重叠,运用传统的移相干涉术测量存在很大误差。
4) peregal O-25
平平加O-25
1.
A brightener carrier was synthesized with peregal O-25 as raw material and then a brightener was prepared using benzylideneacetone and synthesized brightener carrier.
以平平加O-25为起始原料合成了氯化钾镀锌光亮剂的载体,以苄叉丙酮为主光亮剂配制了镀锌光亮剂,此光亮剂用量在每升电镀液36 ml和阴极电流密度在1 A/dm2~2 A/dm2时得到满意的光亮镀层。
5) Horizontal parting and pouring
平作平浇
6) Peregal O
平平加O
参考词条
补充资料：平交道
1.即道口。铁路与道路平面相交的地方。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。