3.The position in the deep surface of the digastric muscle is the hightest position for cuting the accessory nerve.
二腹肌后腹深面为高位结扎切断副神经点,若再向上易伤颈内静脉。
4.The paper deals with the microstructrures and hight-temperatrure hardness of highchromium white cast iron with the austenitic and sorbitic matrices.
本文主要论述了以奥氏及索氏为基的高铬白口铁的组织和高温硬度。
5.The equipment is welded by thicken material .Break rigid material ia hight efficiency ,indeformable ,little moise .The dynamic nose of tool is knocked-down .It is easy to rubbing when it is dull.