查询词典 string block

Crown Block：定滑轮

Christmas tree 采油树 | crown block 定滑轮 | travelling block 动滑轮

arch crown block：拱顶石

拱砌块 voussoir | 拱顶石 arch crown block | 拱脚斜块 arch skew block

crown block protector：防碰天车装置

防碰天车 crown block protector | 防碰天车装置 crown block protector | 防碰系统 anti-collision system

crown block protector：防碰天车

防喷演习 blowout prevention rehearsal | 防碰天车 crown block protector | 防碰天车装置 crown block protector

block cutter：切块机

"膨罐;胖听","bloat can" | "切块机","block cutter" | "巨集设计","block design"

dasher block; jewel block：旗绳滑车

危险信号{避碰规则} danger signal; danger signals | 旗绳滑车 dasher block; jewel block | 日光信号镜 day light signalling mirror; daylight signaling mirror

derrick heel block：吊杆座滑车

12 下吊货滑车 lower cargo purchase block | 13 吊杆座滑车 derrick heel block | 14 千斤索 topping lift

derrick head block：吊杆头滑车

derrick guy 吊杆张索 | derrick head block 吊杆头滑车 | derrick head cargo block 吊杆头起重滑车

derrick head cargo block：上吊货滑车

derrick head cargo block 吊杆头起重滑车 | derrick head cargo block 上吊货滑车 | derrick head fitting 吊杆头装置

derrick head cargo block：杆顶吊货滑车

吊杆张索 derrick guy | 杆顶吊货滑车 derrick head cargo block | 杆顶问牵索滑车 derrick head span block

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件