压载泵效用试验和自动控制装置试验。
Function test and automatic controller test for ballast pump.
高粘度泵的出口管路上还应当设置安全阀等保护装置，这样一旦泵的出口通道发生堵塞，就可以打开安全阀卸压。
High viscosity of the pump outlet pipe also shall set up relief valve or other protective device on the road, so that once the clogging pump export channels, can open the relief valve pressure relief.
未详细示出的泵送装置36浸没在压载物34中。
Pumping means 36 that are not shown in detail are immersed in the ballast 34.
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