internal drop hammer的意思|示意
美 / /
英 / /
内落锤
internal drop hammer的网络常见释义
内部吊锤 ... intermittent characteristic 断续特性 internal drop hammer 内部吊锤 intertidal mudflat 潮间带泥滩 ...
管内落锤 ... 钢绳落锤 drop rope hammer 管内落锤 internal drop hammer 夹板落锤 board drohammer; board drop hammer; drop board hammer; trip hammer ...