English translation for "principal horizontal line"

之平线
主水平线
主子午线

Related Translations:

principal moment:  主惯矩主矩

principal port:  主港主要港口

principal wife:  正妻；正室

principal bond:  主键

principal arch:  主拱

principal to:  principal本人对本人

principal road:  知路主要路

principal edition:  正本, 主版本(对航空版等其他版别而言)

principal paper:  主要文件

loan principal:  贷款本金

Similar Words：

"principal h-plane" English translation, "principal half-space" English translation, "principal holder" English translation, "principal home" English translation, "principal homogeneous space" English translation, "principal horizontal stress" English translation, "principal host" English translation, "principal hydrolysis" English translation, "principal ideal" English translation, "principal ideal class" English translation