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最近我們根据各地介紹的安全井口台经驗,研究試制了一种較适用的安全井口設备。它是由大井口台板和小井口台組成。大井口台板是利用厚10～15公厘的鉄板制成。構造如图1所示。其尺寸可按具体使用的鑽机規
Recently, according to the experience of safety wellheads introduced in various places, we researched and developed a more suitable safety wellhead equipment. It is composed of a big wellhead mouth plate and a small well mouth Taiwan. Big Iguchi platen is the use of thick slab 10 to 15 mm made. Structure shown in Figure 1. Its size can be used according to the rig gauge