| 1. | The casing was driven into the soft muds in the top . 套管被送入软岩粉顶。 |
| 2. | The temperature sensor is enclosed in a protective well . 温度传感器密封在保护套管中。 |
| 3. | Special guide sleeves are used to obtain greater precision in drilling . 使用特制导向套管来保证较高的打眼精度。 |
| 4. | For seismic applications it is desirably required that all of the well bellow the casing be logged . 就地震勘探而言,要求套管以下的井段进行速度测量。 |
| 5. | The surgeon connects the plastic tubes (known as cannulae) from the heart-lung machine to the patient . 外科大夫用塑料管(俗称套管)把心肺机与患者连接起来。 |
| 6. | The level of cementation behind the casing is in general clearly marked by a distinct temperature increase . 套管外水泥面通常能够清楚地被明显的温升标志出来。 |
| 7. | Each stay is composed of 25-5/8 in diameter dywidag bars encased in a metal sheath . 每根拉索由25根直径为58英寸(16毫米)的迪威达格式粗钢筋组成,拉索套在金属套管内。 |
| 8. | aggressive corrosion of well casing and heat exchangers can be caused by , hcl, , and other acids. 井孔套管和热交换器的侵蚀性腐蚀是H2S,HCL,H2SO4和其他酸类引起的。 |
| 9. | It is advisable to fit all the ground glass joints with polytetrafluroethylene sleeves to prevent their sticking together . 最好把所有的磨光玻璃接头都装上聚四氟乙稀套管,以防止它们粘在一起。 |
| 10. | If it is necessary to have the joints under water, they must be bedded into a box or sleeve which absolutely prevents water from penetrating in . 如果有必要在水下接头,就必须把它们安置于绝对不渗水的密封盒子或套管中。 |