未包覆的 meaning in Chinese

uncoated
unlined

A self - made device used to measure the hydrogen release curve ( v - t ) of coated tih2 / and tih2 was founded , and the results show that the hydrogen released characteristic of coated tih : had been improved and hydrogen released time had been delayed
利用自制的释氢试验装置，测定了tih _ 2包覆剂的释氢曲线( v - t ) ，并和未包覆的进行了比较，证明包覆对改善tih _ 2的释氢特性，延迟释氢时间确有效果。