Tube head
... 管子光阑tube diaphragm 管头tube head 管罩tube shield ...
shoe
... 耐震的,防电击的,防震的,抗震的 shockproof 托,极靴,瓦形物;导向板;管头;闸瓦,轴瓦 shoe 鞋扣电池 shoe-button cell ...
pinch
... 小钳子 pincette 管头 pinch 弹簧夹 pinchcock ...
油气 casinghead ; Casing head housing ; drive head ; Sleeve head
油气 tubing head ; landing head ; tubing bonnet
油气 tubing-head adapter flange ; head adapter flange ; THF