1. The eight most popular Diamond cuts are emerald cut, heart cut, marquise cut, oval cut, round brilliant cut, pear cut, princess cut and radiant cut.
八种最流行的钻石切割有：祖母绿型切割、桃心型切割、马眼型切割、椭圆型切割、圆形明亮型切割、梨型切割、公主型切割和辐射型切割。
2. The eight most popular Diamond cuts are emerald cut, heart cut, marquise cut, oval cut, round brilliant cut, pear cut, princess cut and radiant cut.
八种最流行的钻石切割有：祖母绿型切割、桃心型切割、马眼型切割、椭圆型切割、圆形明亮型切割、梨型切割、公主型切割和辐射型切割。
3. There are several pruning methods for Hippophae rhamnoides L. forests, namely, heading-back cut, thinning-out cut, shortening cut, renewal cut, watershoot pruning, etc.
对于一般沙棘林，其修剪方法主要包括短截、疏剪、回缩、更新剪（留桩）、徒长枝的修剪等。
4. Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
5. Short-phase relay obtains short-phase signal, short-phase protection circuit was formed according to change of output voltage to realize short-phase protection.
用断相保护继电器获取断相信号，据输出电压变化构成断相保护电路实现保护。
