No pipe hole laparoscopic 单孔无管腹腔镜
dirve-pipe hole 自流井竖管孔
pipe-hole model 小孔模型
valve pipe hole 气门导管孔
mending pipe hole 管孔补洞
pipe hole punching 管子冲孔
intensive pipe hole 高密度孔
well pipe hole slot 井管洞缝
sewer pipe hole slot 沟管洞缝
Perhaps is the central air conditioning water is also often used in the sewer or pipe hole welding.
也许是中央空调以前也经常带水又是在下水道里或是水管井道里焊接。
Then, use the aquarium silicone to seal under the flange around all 4 screw holes and around the pipe hole and screw it down with 4 short wood screws.
接着,用水族箱硅胶把法兰盘底、四个螺丝孔以及管孔周围全都涂抹上,然后钻入四枚木螺钉固定好。
The use of pre buried in the structural layer of the drainage pipe hole as a deformation of the default seam to prevent the development of cracks.
行使预埋在结构层中的排水管孔作为变形预设缝,防止裂缝开展。
应用推荐