井架四段
Derrick four
以上为机器翻译结果,长、整句建议使用 人工翻译 。
型井架主体结构为前开口形轻便井架,整体分为四段,有锥销连接,具有拆除方便、整体稳定性强的特点。
The major structure of K-type Mast is open-face mast, and the body is divided into four sections, which are connected by tapers and convenient to be dismantled with good stability.
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