1.When repairing leaks, we always release the air out of the tank before rewelding it.
当修补漏洞时,我们通常在重焊前把空气排出舱外。
2.Joram the improper households, especially in forest grass. Is frost and dew rewelding deceives, red rong has been to old.
兰兰生不当户,别是闲庭草。夙被霜露欺,红荣已先老。李白