查询词典 boring rig

jackknife rig：折叠式钻机

jackingbolt 顶举螺栓 | jackknife rig 折叠式钻机 | jackshaft 中间轴,传动轴,起重轴,曲柄轴,增接轴

jackknife mast：折叠式轻便井架

jackknife derrick 折叠式井架 | jackknife mast 折叠式轻便井架 | jackknife rig 带折叠井架的钻机

jacksonian stage：杰克逊阶

jack up rig 桩脚式钻探平台 | jacksonian stage 杰克逊阶 | jacobsite 黑镁锰铁矿

jackstay：撑杆

jackstay rig 传送索具 | jackstay 撑杆 | jackstay 撑杆;天幕边索;分隔索;扶手杆

jackstay：支索;撑杆

jackshaft 起重器轴;变速箱传动轴 | jackstay 支索;撑杆 | jackup rig 自升式钻井平台

jackstay rig：传送索具

jackstay method of transfer 张索传送法 | jackstay rig 传送索具 | jackstay 撑杆

heavy jackstay：重型牵索

heavy jackstay storing rig 重货补给索具 | heavy jackstay 重型牵索 | heavy keying fit 固定配合

joystick lever：球端杆

Joy-Sullivan hydrodrill rig 乔伊-苏利文液压钻车 | joystick lever 球端杆 | joystick pointer 操纵杆式光标指示器,操纵杆式指示器

jury pump：应急泵

jury pump 辅助泵 | jury pump 应急泵 | jury rig 应急操舵装置

jury pump：辅助泵,备用泵

jury of executive opinion method 经理人员集体审定法,经理人员集体审定法 | jury pump 辅助泵,备用泵 | jury rig 应急帆

WIDEOPEN：(视野广阔)

10.NIGHTBREEZE(晚风) | 12.WIDEOPEN(视野广阔) | 13.NEWSTAR(新星)

Lagenorhynchus sp. Short-beaked dolphin：短吻海豚

Buteo galapagoensis Galapagos hawk 加拉巴哥鷹 | Lagenorhynchus sp. Short-beaked dolphin 短吻海豚 | Felis iaguarondi jaguarundi 美洲山貓