工业试验 meaning in English

commercial test
commerical test

Study on lab test and commercial test of anion collector lky
试验室试验及工业试验研究
Trial production of sodium pyroantimonate from antimony concentrate
从锑精矿制备焦锑酸钠的工业试验
Industrial test method of open - cut mine rotary blast hole drill
露天矿用牙轮钻机和旋转钻机工业试验方法
The experimental study on applying fly ash to building farmland ditches
粉煤灰混凝土用于农田渠道砌筑现场工业试验
Industrial test of preparability of difficult hematite from guanbaoshan mine
关宝山难选赤铁矿石可选性工业试验研究

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