【单选题】All of the following statements are the advantages of inflatables EXCEPT that______.
A.
they are much lighter than traditional modules
B.
they are less expensive to launch
C.
they can expand to larger room
D.
they can fit current rockets
【判断题】薄壁小孔因其通流量与油液的粘度无关,即对油温的变化不敏感,因此,常用作调节流量的节流器。
【判断题】薄壁小孔因其通流量与油液的粘度无关,即对油温的变化不敏感,因此,常用作调节流量的节流器。
【判断题】PY+49.( )薄壁小孔因其通流量与油液的粘度无关,即对油温的变化不敏感因此常用作调节流量的节流器。
【单选题】The advantages of hotels are all of the following EXCEPT that they______.
C.
provide standard service
【判断题】薄壁小孔因其通流量与油液的粘度无关,即对油温的变化不敏感,因此,常用作调节流量的节流器。
【判断题】.薄壁小孔因其通流量与油液的粘度无关,即对油温的变化不敏感,因此,常用作调节流里的节流器。