Often check tightness of air intake pipes and water channels during engine operation, if find some broke and leakage, remove it immediately to avoid serious damages.
柴油机在使用中还必须经常检查进气管路和循环水路的密封性，如有破损或泄漏必须立即排除，避免酿成重大故障。
Tightness test both the shell and tube sides of the exchanger to check that the flange gaskets are holding tight.
紧力测试对热交换器的管程与壳程，检查法兰垫圈是否紧密。
Then, the user needs to check the automatic coil spring board, in the socket after the tightness, to just can be put into the best.
然后，用户需要检查自动卷簧机导线板，在装入插座之后的松紧度，以刚好能放入为最佳。
To test for tightness of second check Valve.
检测第二止回阀的密封性。
Purpose: To test check valve No. 2 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
After seaming embroider to end, comparative the I of all every color, will check the validity that continuity and degree of tightness spend.
在缝绣完毕后，对比每个所有颜色的I，来检查连贯性及松紧度的正确性。
Often check the chain of the guide rail type of the tightness of the chain, the oil wire rope to periodically check the tightness of the oil wire rope.
经常检查一下导轨式升降机的链条的松紧程序，有油丝绳的要定期检查油丝绳 的松紧程度。
Pump maintenance should check the steering pump belt tightness, to see if there are fracture, if the replacement should be timely, tightness in the fingers should be about 1cm better press;
水泵在保养时，应检查转向泵皮带的松紧度，看是否有断口，如有应及时更换，松紧度应以手指按下1cm左右为宜；
Check the tightness of the system by slightly turn the syringe (4), the ear pressure curve should increase by some millimetres and then stabilize.
稍微转动注射器(4)，检查系统的严密性，耳压曲线应增加几毫米、然后稳定下来。
Check the tightness of the system by slightly turn the syringe (4), the ear pressure curve should increase by some millimetres and then stabilize.
稍微转动注射器(4)，检查系统的严密性，耳压曲线应增加几毫米、然后稳定下来。
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