幽门杆菌 helicobacter pylori (h. pylori)
阀门杆 valve lever ; valve stem
阀门杆导路 guide for the valve rod
气门杆油封 SEAL VALVE STEM ; valve stem seal ; SEAL-VALVE STEM
旗门杆 gate pole
气门杆头 valve tip
汽门杆 Valve stem
幽门螺杆菌 Helicobacter pylori ; HP ; helicobacter pylori
气门杆密封圈 Ventilschaftdichtung
节气门杆 throttle lever
推锁上的小控制杆，让门自动锁上。
Push the tiny lever on the lock and let the door lock itself.
四连杆组合臂架是门座起重机最常用的变幅机构形式之一。
The four-bar combination jib is one of the most commonly used forms of the derricking mechanism for portal cranes.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
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