负责煤气主管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories.
负责锅炉房内煤气管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories in boiler room.
而且制作起来非常简单，只需要一些布头，纸板和辅件就可以了。
These are quite easy to make and use just fabric scraps, paperboard and some accessories.
而且制作起来非常简单，只需要一些布头，纸板和辅件就可以了。
These are quite easy to make and use just fabric scraps, paperboard and some accessories.
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