常见例句The preparation of salts of thionic acids illustrates this point. 硫逐酸盐的制备说明这一点。thionic acid 硫逐酸,硫羰酸,连硫酸thionic fluvisol 酸性硫酸盐冲积土thionic fluvisols 酸性硫酸盐冲积土thionic gleysols 酸性硫酸盐潜育土 返回 thionic