The approximate value of the big solution of transcendental equation is discussed by using the parameter perturbedmethod.
用参数摄动法求得了超越方程的大根的近似值。

A beam of light produced by a laser can weldmetals.
激光器发生的光束可以焊接金属。

Side milling cutters with brazed hardmetal tips
有铜焊硬质合金刀头的侧铣铣刀

The effects of nutritional levels on breeding eggs quality andmetabolic rate of laying american partridge
饲粮营养水平对美国鹧鸪种蛋品质和代谢的影响

Seedmeter of drill.
条播排种器

Solving the big solution of transcendental equation using the parameterperturbedmethod
用参数摄动法求超越方程的大根

At school the physicist had gazed at this glassandmetal instrument.
在学校物理学家注视这台由玻璃和金属制成的仪器。