【单选题】操作机械时护罩,护罩处于关闭位置,而护罩一旦处于开放位置,就会使机器停止运作,指的是下列哪种护罩的运作方式()
【单选题】操作机械时,护罩处于关闭位置,而护罩一旦处于开放位置,就会使机械停止运作,指的是下列( )的运作方式。
【单选题】操作机械时护罩,护罩处于关闭位置,而护罩一旦处于开放位置,就会使机器停止运作,指的是下列哪种护罩的运作方式?
【单选题】If a credit states: “ PACKING LIST IN FOUR COPIES”, which of the following one is NOT correct?
A.
The packing list could be presented four copies.
B.
The packing list could be presented two originals and two copies.
C.
The packing list could be presented one original and three copies.
D.
The packing list could be presented four originals.
【单选题】操作机械时,护罩处于关闭位置,而护罩一旦处于开放位置,就会使机械停止运作.这种防护罩的运作方式指的是____的运作方式.