你经历过你不舒服，你必须检查它配备了烟管流动凡通风风扇罩无法访问或曾在密闭空间在哪里？

Have you ever experienced you were uncomfortable when you had to check air flow with a smoke tube where ventilation fan or hood was unreachable or was located at confined space?

youdao

你得保证这个部件已经完全装配好了，因为它必须通过检验部门敏锐眼光的仔细检查。

You have to make sure that the unit is assembled perfectly because it has to get past the lynx - eyed scrutiny of the inspection department.

youdao

所以你必须做的是，从接收并看到它说什么检查返回值。

So what you must do is, check the return value from receive and see what it says.

youdao