先将市政工程管道堵塞体充气装置的配件进行组合，做工具漏气检查。
First municipal engineering pipeline plug body inflatable device combination of components, so that the tool leak check.
o检查是否漏气。
用打气泵向气囊充气，气压不得超过0.15 MAP，检查气囊是否漏气。
Pump air to air, air pressure should not exceed 0.15map, check whether the leak of air bag.
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