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nonpenetrating
 nonpenetrating
gen. 不穿透; 非贯穿
| well
 well
gen.
environ.
hydroel.st.

to phrases
nonpenetrating [ˌnɒn'pεnətreɪtɪŋ, ˌnɑːn'pεnətreɪt̬ɪŋ] adj.
gen. 不穿透; 非贯穿
nonpenetrating well
: 3 phrases in 1 subject
Engineering geology3