mtco
abbr.
manual telephone central office 人工电话总局;
例句:
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NGA was labeled directly with Na 99 mTcO 4. The radiochemical purity of 99 mTc - NGA was over 90 %.
用直接法制备99mTc - NGA, 其放化纯大于90%,且室温下可稳定6h以上,符合显像要求.
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MTCO are the major supplier of TITANIUM MILL PRODUCTS in China.
在钛领域,迈特钛业也是钛材的主要供应商之一.