加总抽查 footing test
总抽样比 [统计] overall sampling fraction
衡量总抽吸 gauge total pressrue
抽样总体 population ; sampling population ; population of samples
总抽样率 over-all sampling fraction
被抽样总体 sampled population
总群抽样 parent population sampling
柱式总RNA抽提法 column total RNA extraction
抽气总管 air extraction main
抽水机总成 water pump assembly
如果你真想保持自己好的健康状况，你就不该总抽那么多烟。
If you really want yourself to be in good health, you must not always be smoking so much.
马尾松TMP与酸性亚硫酸盐浆中甘油三酯含量较高，约占总抽提物的50%。
The results showed that the triglyceride content was relatively high, about 50% both in the total extractive of masson TMP and acid SP.
一般游梁式抽油系统的总效率应为50%左右，若低于此应提高其性能。
General beam pumping system should be the overall efficiency of about 50% if less than this should improve its performance.
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