standard sample
短語詞組
- standard d sample 標(biāo)準(zhǔn)樣品
- Make Standard Material Sample 材料樣板
- standard wastewater sample 標(biāo)準(zhǔn)水樣
- spectral standard -sample 光譜標(biāo)準(zhǔn)樣品
- standard core sample 標(biāo)準(zhǔn)芯樣
- standard cotton sample 標(biāo)準(zhǔn)棉樣
- standard cluster sample survey 標(biāo)準(zhǔn)組群抽樣法
- standard coal sample 標(biāo)準(zhǔn)煤樣
- plant standard reference sample 植物樣品 返回 standard sample