Measurements are fast and easy with one-hand operation, an easy-to-use backlit display, automatic push-button calibration, and a weighted, quick-sinking probe.
测量快速，单手操作，易于使用的简单背光显示屏，自动按键校准和一个加权，快速下沉的调查。
Even though the paint was often sprayed on by mouth, one can assume that the dominant hand assisted in the operation.
尽管油漆通常是用嘴喷上去的，但我们可以假定惯用手在操作中起了辅助作用。
One hand operation, takes less than 20 seconds.
单手操作，整个工作只需不到20秒。
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