A、A.contraction
B、B.retraction
C、C.expansion
D、D.shrinkage
更多“The single acting cylinder is the simplest form where pressure is applied to the full area of the piston head to move the load through piston rod extensionThe load causes rod （） when the drive pressure is released.”相关的问题
A、bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed B、bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed C、the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine D、two-stoke/cycle diesel engines require more complicated lubrication piping
A、double-acting engine B、opposed pistons engine C、single-acting engine D、horizontal acting engine
A、the Act of Union in 1840 B、the British North America Act of 1867 C、the Quebec Act of 1774 D、the Constitutional Act of 1791
A、A.the Act of Union in 1840 B、B.the British North America Act of 1867 C、C.the Quebec Act of 1774 D、D.the Constitutional Act of 1791
A、upward-acting weight force B、downward-acting weight force C、upward-acting buoyant force D、environmental force
A、decelerating when lowering the load B、decelerating when raising the load C、lowering the load at constant speed D、raising the load at constant speed
A、It pulls the bow toward the bank B、It pushes the entire vessel away from the bank C、It pulls the stern toward the bank D、It heels the vessel toward the bank
A、It pulls the stern toward the bank B、It heels the vessel toward the bank C、It pushes the entire vessel away from the bank D、It pulls the bow toward the bank
A、the Quebec Act of 1774 B、the Treaty of Paris in 1763 C、the Constitutional Act of 1791 D、the Act of Union in 1840
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