The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.

The diameter of the crank-pins should be measured with ...

单项选择题The diameter of the crank-pins should be measured with a （）.

The development of （） has kept pace with the increasing...

单项选择题The development of （） has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.

The design of the connecting rod large end bearing is s...

单项选择题The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）