parting plane meaning in English

分割面
分离面
分型面
界面；际面
裂开面

The familiar parting plane in mine production and the determination of its mechanic property
煤矿生产中常见的结构面及其力学性质鉴定
In this paper , several moulding boards are used to restrict the uneven plane in the practical measurement . the error caused by the lean of part plane is conquered and the precision of measurement is improved
文中利用多个模板对实际测量中不平整的待测平面进行了约束，克服了由平面局部倾斜带来的误差，提高了实际平面测量的精度。