hand-holing

常见例句

Hand hole cleanout - provides easy access to the heater interior for inspection and cleaning.
人工清洗孔---使人工观察和清洗热水器内部更加方便。
Centerline discharge pump casings are not acceptable. The pump casing shall have an integrally cast hand hole supplied with a hand hole cover.
中心线排放泵壳是不可接受的。泵壳上应该具有整体铸造的探孔,并配置探孔罩盖。
Centerline discharge pump casing s are not acceptable. The pump casing shall have an integrally cast hand hole supplied with a hand hole cover.
中心线排放泵壳是不可接受的。泵壳上应该具有整体铸造的探孔,并配置探孔罩盖。
The hand hole cover shall be constructed of the same material as the pump casing and shall have surfaces which match the internal casing contours to minimize turbulence and localized wear.
探孔罩盖结构材料应该与泵壳完全相同,其表面应该与泵壳内部轮廓线相匹配,以减少由于扰动和定位造成的磨损。
Stick your hand in and see what's in the hole.
把手伸进去，看看洞里有什么。
Hygienic Grade Man Way and Hand Hole
卫生级人、手孔