The welds used to attach stiffeners to a plate are known as().
() are mounted on and bolted to the bed-plate cross girders.
()the moveable plate and floating ring inside the pump is very difficult.
The margin plate is the().
The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a().
The margin plate is the().
稀释倒平板法(pour plate method)
A-frames are mounted on the bed plate and support () and cylinder block.
A flounder plate,on a topping lift,is().
Aother name for the “swash plate” in the variable delivery pump is()