spot test造句怎么写

The quality of PVC resin in China and improvement suggestions for it--Analysis for the results of national product quality spot test;

The spot test of the control system showed that up to 30% of the energy-saving rate was achieved under the guaranteed oil output and the intelligent control of the oil pumping was realized.

Oil-change criterion of railway diesel locomotive engine oils--Blotter spot test method

The antigen spot test for trinitrotoluene hemoglobin adducts

Biological Aeration Filter (BAF) process was used in an on-the-spot test of the biological treatment of the slightly-polluted water in a refinery.