轆護 的英文怎麼說
中文拼音 [lùhù]-
Wells for irrigation were mainly made from brick of earth, and water was bailed by mandarin duck pot, windlass, mill wheel and so on
二十世紀上半葉華北灌溉用井主要是磚井及土井,汲水器有桔棒,鴛鴦罐,轆護,水車等。With protection guard for both device, ink roll and rubber. to avoid surface damage
油墨轆及橡膠轆其四周均有防轆護板,可使精密度高之轆面不易受損。
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