A、A.finished joints
B、B.welded joints
C、C.ground joints
D、D.soldered joints
更多“If no gaskets are used in the piping joints of a Freon system, the joints must be（）”相关的问题
A、has no more than two compartments B、has two compartments in addition to the engine room C、will sink if any two compartments are flooded D、will float if any two adjacent compartments are flooded
A、A.No cure-no pay B、B.Non-contract salvage C、C.A non-salvage service D、D.None of the above
A、We are getting alongside NO.1 buoy. B、We are berthing at NO.1 buoy. C、We are at anchor near NO.1 buoy. D、We are getting alongside at NO.1 buoy.
A、notify Coast Guard or MSA B、make an entry in the Official Logbook C、keep a record for two years D、No action is required if you are more than 25 miles fromland and no plastic materials are dumped
A、A.I'm afraid not, because I have to go to an important meeting. B、B.Of course not. I have no idea. C、C.No, I can't. D、D.That's all set.
A、no output B、no output assert is on C、assert is on D、no output An AssertionError is thrown. E、assert is on An AssertionError is thrown
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