wet sinker drill凿井: dig a well; sink a well shaf ...用: 40分钟跑完全程 run the course in 4 ...湿: wet; damp; humid式: type; style钻机: rig; drilling machine下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:凿井用湿式钻机，即可在微信中查询翻译
