测铅 cèqiān sounding lead Definitions Defs Origin Strokes Stroke Words Sentences Sents 测铅 測鉛 cèqiān sounding lead a weight, usually made of lead, attached to a line and lowered into the water to measure depth
测铅 測鉛 cèqiān sounding lead a weight, usually made of lead, attached to a line and lowered into the water to measure depth
