A、move in an opening direction
B、move in a closing direction
C、either open or close
D、not move at all
更多“When the heat load begins to increase, the needle valve of an expansion valve will（）”相关的问题
A、A.when can the stevedores finish loading B、B.when will the stevedores finish loading C、C.when the stevedores can finish loading D、D.when the stevedores finish loading can
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、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time
A、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time
A、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time
A、latent heat of condensation B、latent heat of vaporization C、latent heat of saturation D、sensible heat of condensation
A、only when the cargo is within its rail B、during the time when loading or unloading is going on C、after the cargo is checked by tallymen D、as soon as loading or discharging begins
A、only when the cargo is within its rail B、during the time when loading or ynloading is going on C、after the cargo is checked by tallymen D、as soon as loading or discharging begins
A、only when the cargo is within its rail B、after the cargo is checked by tallymen C、as soon as the cargo loading or unloading begins D、during the time when loading or unloading is going on
客服
TOP
查看正确答案
