这种铟同位素与地球产生在同一时代.This indium isotope was created at the same time as the earth.金属铟是重要的稀有金属新材料.Metal indium is an important rare metal new material.报道了乙酰丙酮铟的合成方法.A synthesis method of indium tris acetylacetonate is introd...
The finish and workmanship of the woodwork was excellent.这件木工品的抛光和做工均属上乘。The problem may be due to poor workmanship.问题可能在于工艺太差。The standard of workmanship is very high.工艺精湛。...