-
Figure 1 shows the construct of part of an OVF envelope.
图1显示了OVF信封的部分结构。
youdao
-
It is also part of the watertight envelope, and subject to the local water head.
它也是水密外壳的组成部分，并承受局部水压力。
youdao
-
It is also part of the watertight envelope, and subject to the local water head.
它也是水密外壳的组成部分，并承受局部水压力。
youdao