查询词典 ceiling hook

Cargo hook：吊钩

cargo hook swivel 吊钩转环 | cargo hook 吊钩 | cargo hook 吊货钩

off-hook service：摘机服务

摘机仪器 off-hook instrument | 摘机服务 off-hook service | 摘机信号 off-hook signal

off-hook signal：摘机信号

摘机服务 off-hook service | 摘机信号 off-hook signal | 摘机状态 off-hook status

off-hook instrument：摘机仪器

摘机,接听 off-hook | 摘机仪器 off-hook instrument | 摘机服务 off-hook service

off-hook status：摘机状态

摘机服务 off-hook service | 摘机信号 off-hook signal | 摘机状态 off-hook status

on the hook：陷入圈套; 受拘束, 难摆脱//拖延; 等待

on one's own hook 独立行动, 单干 | on the hook 陷入圈套; 受拘束, 难摆脱/拖延; 等待 | sling/take one's hook 溜走, 逃走

sister hook：双抱钩

sister block 双联油车 | sister hook 双抱钩 | sister hook 双抱钩iper hook)

hook spring：钩头弹簧

"钩形扳手","hook spanner" | "钩头弹簧","hook spring" | "钩形电建,钩头转辙器","hook switch"

hook spring end：吊钩弹簧端

hook pin;吊钩销 | hook spring end;吊钩弹簧端 | hook winch;吊钩铰盘

straight：直线球

右曲球(slice)左曲球(hook)、左拉左曲球(pull hook)先向左直飞向左曲、左拉球(pull)向左击出的直线球、左曲球(hook)先向目标飞再弯曲落到左边、直线球(straight)沿目标线飞行,一直往前落在目标区.

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