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- According to review the principle of work and characteristic of the rod pumps,writer has studied the leaking calcalating method of the annulus clearance of rod pump used in horizontal well. 在阐述抽油泵的工作原理和结构特点的基础上，研究了水平井抽油泵环隙漏失理论计算方法。
- Sand-stick proof effect caused by annulus clearance variation of travelling barrel subsurface pump 动筒式抽油泵环隙变化产生的防砂卡效应
- Let me tell you some details about clearance. 让我告诉你一些通关的细节。
- annulus clearance 环空间隙
- Annulus : This is the ultimate psionic nullifier. 灭灵之环：这是终极的灵能轰杀者。
- A loaded pin bears on a hole with small clearance. 一个受载销钉支承于一个具有微小间隙的孔上。
- What touch with vaccinal annulus is adhesive. 用接种环触之有粘性。
- There is not much clearance here. 这里没有太多空间。
- The laminated structure of the annulus is complex. 环状的薄片结构很复杂。
- Take the clearance with a feeler. 间隙用塞尺测量。
- Go up femaly is annulus painful? Have side effect? 女的上环痛不痛？有没有副作用？
- There is a clearance of only five inches. 只有五寸的间隙。
- An underpass with a13-foot clearance. 有13英尺净空的高架桥下通道
- Measuring clearance of rudder jumping stopper. 舵止跳块的间隙测量。
- Measuring installation clearance of rudder bearing. 舵轴承安装间隙测量。
- The clearance sale is pulling well. 清仓削价销售对顾客很有吸引力。
- Will you take these to the clearance counter? 你要带这些去通关柜台吗?
- I'm waiting for clearance from headquarters. 我在等待总部的录用审查许可。
- Is this counter open for clearance? 这个柜台办理通关手续吗?
- The pilot was waiting for clearance for take-off. 飞行员在等待起飞的许可。
