基本解釋射程計(jì)算儀同根派生 rangekeeper相關(guān)詞英漢例句The element of time is supplied by building a clock into the rangekeeper.射程計(jì)算儀內(nèi)連結(jié)一具時(shí)鍾以加入時(shí)間因素。rangekeeper更多例句