“ding slope”可以造什么句,ding slope造句
来源:语文精选馆 9.94K
This tunnel's entrance is a heading slope which covered soil and fully weathered rock, and the slope is easy to lose the stability when perturbed.
Audiograms of pure tone threshold (PTT) showed various curves including ascending slope, spoon, peak, lain letter S, letter W,gentle slope.