查询词典 have a head

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

derrick head span block：杆顶问牵索滑车

杆顶吊货滑车 derrick head cargo block | 杆顶问牵索滑车 derrick head span block | 吊杆叉头 derrick heel

die head chaser：螺模头螺纹钣刀

螺模头 die head | 螺模头螺纹钣刀 die head chaser | 螺纹模夹把,模座 die holder

optical-electronic dividing head：光电分度头

17. 投影式光学分度尺optical dividing head with projection reading | 18. 光电分度头optical-electronic dividing head | 19. 多齿分度台multi-tooth division table

superintendent; division head; department head：处长

处 division; department | 处长 superintendent; division head; department head | 铁道部 The Ministry of Railways

double-head wrench：双头扳手

double-head wire stitching machine 双头铁丝订书机 | double-head wrench 双头扳手 | double-headed bolt tension meter 双头螺栓张力计

double-head milling machine：双头铣床

双吊架构架 double hanging truss | 双头铣床 double head milling machine | 双头轨条 double head rail

geared-head engine lathe：齿轮箱车床

geared-down speed ==> 低档速度 | geared-head engine lathe ==> 齿轮箱车床 | geared-head lathe ==> 全齿轮车床

DOHC Dual Over Head Camshafts：双顶置凸轮轴

SOHC Single Over Head Camshaft 单顶置凸轮轴 | DOHC Dual Over Head Camshafts 双顶置凸轮轴 | NA Naturally Aspirated 自然吸气式 相对于增压式而言

exhaust valve head：排气门头

exhaust valve guide bushing;排气门导管衬套 | exhaust valve head;排气门头 | exhaust valve head diameter;排气门头部直径

feel unhappy：感到不快

052 complain, v 抱怨, 诉苦; 投诉 | feel unhappy, 感到不快 | find fault, 挑剔

pinwheel operation：针轮操作

直升飞机{俚语};轮状焰火 pinwheel | 针轮操作 pinwheel operation | 停止;解散;肃静 pipe down