welding technology scheme的用法和樣例：
例句
- The technology for tightness improvement of the Ni austenitic cast iron cable head is studied.
分析了提高鎳奧氏體鑄鐵電纜插頭鑄件緻密性的工藝方案。 - The paper introduces in detail the material selection , machining technology and geometrical calculation of the lining for the groove of the headgear sheave.
詳細介紹了礦井提升天輪槽襯的材料選用，加工工藝方案的設計及幾何計算。
