-
1. Themanual block apparatus is used toadjust the speed of the machine.
手动操纵装置用于调整机器的速度。
-
2. The engineerhad to use a manualblock apparatus to fixthe broken gear.
工程师不得不使用手动操纵装置来修理损坏的齿轮。
-
3. The manualblock apparatus was designed for emergencysituations where manual control is necessary.
手动操纵装置是为紧急情况设计的，需要手动控制。