常見(jiàn)例句雙語(yǔ)例句Using French chalk which was dried by the 120℃ air as the normal air model, the quality which the fabric contains particle can be test.利用120℃的高溫烘乾過(guò)的滑石粉作爲(wèi)塵源,試騐得到該濾料的容塵量; 返回 chalk test