729、当你替换一个单词时,总是确保你选择的替代词不会改变句子的意思

594、One generator can supply power for all the]systems

593、On pages requiring folding, make the fold in a manner that permits the page number to be visible.

592、0bey local regulations for the correct procedures to use or discard solvents.

591、No part of this document may be2reproduced in any form without permission in writing from the publisher.

590、Move the tensiometer along the cable.

589、Move the rod in the opposite direction.

588、Move the lever rearward.办

587、most secondary structures are important to the performance of the airplane

586、Most of the switches you use to control the electrical power system are on the electrical system control panel.

585、Mechanical power, is produced by electric motors that are mainly used to drive pumps, for example, fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel, hydraulic or air conditioning system or to move mechanical parts like doors and cargo containers.